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Title: Tools First Thought To Be Only 40,000 Years Old
Hublin said the extreme age of the bones makes them the oldest known specimens of modern humans. They pose a major challenge to the idea that the earliest members of our species evolved in East Africa 100,000 years later.
“This gives us a completely different picture of the evolution of our species," Hublin said. He added that not only are the fossils much older but that it makes researchers think humans were all over the African continent by that time.
Jebel Irhoud has thrown up puzzles for scientists since fossilized bones were first found at the site in the 1960s. At first, tools found there were thought to belong to Neanderthals and to be only 40,000 years old. Neanderthals are considered a sister group that lived alongside, and even bred with, our modern human ancestors.
In fresh excavations at the Jebel Irhoud site, Hublin and others found more remains. Alongside the bones, the researchers found tools, gazelle bones and other leftovers of human life.
Scientists have long looked to East Africa as the birthplace of modern humans. Until the latest findings from Jebel Irhoud, the oldest known remnants of our species were found at Omo Kibish in Ethiopia and dated to be 195,000 years old. Other fossils and genetic evidence all point to an African origin for modern humans.
Two updated views of the reconstruction of the earliest known Homo sapiens fossils from Jebel Irhoud in Morocco. The images are based on computed tomographic (CT) scans of multiple fossils. Photo from Philipp Gunz at the Max Planck Institute for Evolutionary Anthropology.
In the first of two papers published in the scientific journal Nature last Wednesday, the researchers describe how the newly discovered fossils look most like modern humans. The part of the skull that held the brain, however, was much longer. This suggests that the modern human brain developed in Homo sapiens alone.  Apart from being more stout and muscular, the adults at Jebel Irhoud looked similar to people alive today.
The remains of more individuals may yet be found at the site. What they were doing there, however, is unclear. Studies of the flint tools show that the stones came not from the local area, but from a region about 30 miles south of Jebel Irhoud.
Hublin concedes that scientists have too few fossils to know whether modern humans had spread to the four corners of Africa 300,000 years ago. They are guessing based on a 260,000-year-old skull found in Florisbad in South Africa.
He finds the theory compelling, however. The main idea is that early humans traveled all around the continent, and so different parts of Africa led to the beginning of modern humanity.

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Title: BREAKING NEWS
There was some breaking news last night out of Manchester, United Kingdom. Eyewitnesses said it appeared to be some sort of explosion. It took place at or near an Arianna Grande concert in Manchester Arena. British police initially said at least 19 people were killed and that dozens of others, around 50, were injured.

Emergency workers rushed to what was described as a chaotic scene. There were several videos like this that showed people panicking and running. When we produce this show, there were still more questions than answers, but British officials said they were treating this as a terrorist incident.

Another story we're covering, what's known as the Doomsday Vault has been breached.

This is an emergency storage facility for seeds -- more than 500 million of them from all around the world. It would allow people to recreate food supplies in case there's some sort of global catastrophe. The vault's carved into a side of a mountain Svalbard, a Norwegian archipelago about halfway between Norway and the North Pole.

The company that manages the vault says water has gotten in, that it breached the entrance to the vault and sit about 50 feet into part of an access tunnel. The seeds themselves were not harmed.

So, how did this happen?

Regardless of when you're watching this show on Tuesday, the temperature in Svalbard is below freezing. The vault's management company says the bridge occurred during an unusually warm and ready October. They just made it public. Officials are waterproofing the walls inside the tunnel entrance to better protect the vaul

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Title: Russian Roulette
I think that conservatively, 60 to 70 percent of people are probably doing with it some frequency. What does that mean? That means that it is just Russian roulette, that some of those people are going to have accidents. Some of those people are going to be killed. And some of those people are going to kill or hurt somebody else.

So, is that a huge problem? I think it is. Do I think it is a public health issue? Yes, I do.

WALLACE: Our smartphones are affecting our brains without us even knowing it. When we hear the ping of an incoming text, social media update, or e-mail, our brains get a hit of dopamine, a chemical that leads to an increase in arousal, energizing the reward circuitry in our brains, and that expectation of a reward, who is texting me, who tagged me on social media, leads to a higher burst of dopamine than the reward itself.

GREENFIELD: This reward circuitry is as old as time.

WALLACE: When our brains are in an elevated dopamine state caused by the expectation of a text or status update, the activated brain reward center shuts down access to another part of the brain, the prefrontal cortex where most of our judgment occurs.

GREENFIELD: The parts of the brain that say, OK, how important is this text? Is this text worth dying for? Is this text worth killing somebody else for? The answer, of course, logically would be no. But if you have less access to that part of your brain, then you're not really using your judgment.

WALLACE: And while it may seem safer, using a phone hands-free can be just as dangerous. Using a handheld or hands-free device while driving, one study showed, resulted in a slower reaction time than if you were legally drunk. Simply put, we can't focus 100 percent of our attention on two things at once.

GREENFIELD: When we're online in whatever portal we're using, I don't think we're really operating in the present. We are out to lunch to some sentence.

WALLACE: Our brains also have a way of fooling us. Every time we look at social media or text or do anything else while behind the wheel and nothing bad happens, we think we will be safe if we do it again.

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Title: The Investigation
In the United Kingdom, the investigation is moving forward into a terrorist attack at an Arianna Grande concert Monday night. Officials believe a 22-year-old suicide bomber named Salman Abedi carried out the attack at Manchester Arena. Abedi was born in Britain. He was of Libyan descent and investigators say he recently spent three weeks in Libya, returning to the U.K. just a few days before the attack.

Libya has become a hotspot for terrorism in recent years. ISIS has gotten a foothold there and the Libyan government hasn't been able to fully control security.

Libyan officials did arrest a brother of the suspected Manchester bomber. They say the 20-year-old was planning an attack in Libya and that he might have ties to ISIS. Investigators don't know yet whether the terrorist group was directly responsible for Monday's bombing, though it said it was.

The attack killed at least 22 people at the concert. Britain's government warned that another attack might happen soon and it raised its terrorism threat level from severe to critical. Thousands of military servicemen and women have been made available to help with security. Extra police are out in force in different location in London and they've arrested at least six people as part of their investigation.

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Title: Brussels
Our first stop today is in Brussels. It's the capital of Belgium. It's also where you'd find the headquarters of NATO, the North Atlantic Treaty Organization. It's an alliance of 28 countries, mostly from Europe, plus Canada and the U.S. It was formed in 1949 as a way to counterbalance the military might of the Soviet Union.

The alliance is based on collective defense, an attack on one NATO member is considered an attack on all of them, and that was invoked once in 2001 after the September 11th terrorist attacks on the U.S. Troops from other NATO members served in the resulting war in Afghanistan.

But there's a sore spot between the U.S. and NATO. Alliance members agree to spent spend 2 percent of their gross domestic product on their militaries. It's a guideline they're not penalized if they don't.

But America has consistently met that target while most other NATO countries haven't. President Donald Trump brought this up yesterday on his visit to Brussels.

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Title: Terrorist Attack
And that begins with the terrorist attack yesterday in the nation of Afghanistan. Officials say a suicide bomber detonated a massive explosive. It was hidden inside a water delivery truck.

The attack was made during the morning rush hour in the Afghan capital of Kabul. It was in an area packed with commuters, people shopping, children going to school. International embassies nearby were damaged in the explosion and at least 90 people were killed and around 400 were wounded.

This was one of the deadliest attacks Kabul seen in recent years, and it happened a few days into the Muslim holy month of Ramadan. When we produced this show, no one had claimed responsibility for the blast. In fact, the Taliban, a violent group that used to rule Afghanistan, said it was not responsible.

U.S. troops have been serving in the country for almost 16 years. They are about 8,400 American military personnel there right now. The Trump administration is considering sending more to help fight terrorists in the country.

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Title: SpaceX
On Saturday, a SpaceX rocket set out on another mission to the International Space Station from Florida. The company reused an old cargo capsule. It will carry 40 mice, 400 fruit flies and 3 tons of supplies to the orbiting scientific outpost.

It was a fairly routine launch despite a two-day weather delay. However, the mission also marks another step in a significant shift toward putting space exploration in the hands of private companies.

SpaceX’s signature Falcon 9 rocket left at 5:07 p.m. Eastern Standard Time, from NASA's Kennedy Space Center. It was the 100th launch from the launch pad that sent Neil Armstrong and Buzz Aldrin to the moon on Apollo 11 in 1969, as well as 82 Space Shuttle missions. Apollo 11, however, was a NASA breakthrough. SpaceX is a private company founded by Elon Musk, CEO of the electric car company Tesla. SpaceX is borrowing the launch pad from NASA.

SpaceX's first mission was to make commercial space travel and the colonization of Mars possible. Currently, it is paid to do cargo missions for NASA.

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Title: Snap Election
There's an important vote coming up in the United Kingdom next week. We mentioned it once before. It's an early or snap election. Though the country's general elections are scheduled to take place every five years, British Prime Minister Theresa May called for a vote this June because of divisions in parliamentary.

Here's what's happening: Prime Minister May is working to push through the Brexit, the British exit from the European Union. It's a controversial move for the country. Britons voted for it last summer, but they're still deeply divided over the decision. Those disagreements are reflected in the nation's government.

Most British lawmakers say they'll go through with the Brexit, but for Prime Minister May, the process would go much more smoothly if she had more members of her own political party, the Conservative Party, in parliament. She's hoping the early election will give her that.

Polls show the Conservative Party is in the lead, but there are questions about how much so. And the future of Britain's role in Europe hangs in the balance.

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Title: Little Larger Than The U.S.?
First story today takes us to Sri Lanka. It's an island nation in the Indian Ocean, a little larger than the U.S. state of West Virginia, and about half a million Sri Lankans have been affected by the worst flooding the nation has seen in 14 years. It was brought on by the monsoon rains which typically hit in May, but this year's rains were heavier than usual and they came after two months of drought.

The result floods have killed more than 160 people, around a hundred others are still missing and Sri Lankan authorities expect a number of deaths to rise as the rains continue.

It's not just flooding. Landslides have occurred across the country. Some have blocked roads and officials have warned the people who've bee stranded about the possibility of crocodile attacks.

In addition to the Red Cross, the neighboring country of India has sent ships, divers and medical teams. Other countries are also sending aid, as many Sri Lankans have lost everything they had.

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Title: First International Trip
As we previewed Friday, President Donald Trump is taking his first international trip as U.S. leader. He arrived in the Middle East on Saturday and in contrast to the controversies and questions he's facing in the U.S., President Trump received a royal welcome in Saudi Arabia, and it wasn't just because he was greeted by the nation's king, Salman bin Abdulaziz al Saud. Red carpet, brass bands, American flags, billboard with the two leaders' faces, images of pomp and respect were all over Riyadh, Saudi Arabia's capital.

President Trump and King Salman announced hundreds of billions of dollars in arms deals, oil and gas deals, business deals.

Yesterday, the president gave a speech attended by 50 leaders of Muslim majority countries. And though he's made controversial statements in the past concerning Islam, President Trump's speech yesterday was more conciliatory, focused on the common goals of, quote, stamping out extremism and providing children a hopeful future that does honor to God.

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Title: Controversy Swirling
First today, an explanation of a controversy swirling around the Trump administration. It concerns the president, the former director of the FBI and the White House's former national security adviser. His name is Michael Flynn.

He's been under investigation by the FBI. The agency has been trying to find out whether Flynn had illegal contact with Russia.

In February, U.S. President Donald Trump had a meeting with James Comey, who was in charge of the FBI at that time. Comey made a memo of something the president said during the meeting and the text of that memo was reported by "The New York Times" on Tuesday night.

Quote: I hope you can see your way clear to letting this go, to letting Flynn go. He is a good guy.

The investigation continued and Flynn resigned a few days after the meeting.

So, why is all of this significant?

Democrats in Congress are accusing the president of obstruction of justice, intentionally and illegally interfering with the government carrying out its work, because the memo suggests that President Trump asked Director Comey to quit investigating Flynn. The president eventually fired Comey, that happened last week. And some Republicans are calling for Comey to testify before Congress, about his conversation with President Trump.

The White House says Comey's memo is not a truthful or accurate portrayal of the conversation between Trump and Comey, and that the president has never asked Comey or anyone else to end any investigation.

What happens next, we don't know.

Legal analysts say obstruction of justice is difficult to prove in court and that it's not clear if the president's alleged statements were, in fact, illegal.

President Trump says the controversy is something only the media care about, but it's also dominating many discussions among U.S. lawmakers as the White House interviews candidates to replace Comey at the FBI.

Our second story takes you to a battlefield in the Middle East. Since Syria's civil war broke out in 2011, we've told you how the U.S. and Russia have gotten involved, in addition to other countries. And while Israel is officially neutral on the conflict, it shares a short border with Syria, and it's keeping close tabs on what happens next door.

The Golan Heights is the name of a plateau between the two countries. It's under Israeli government control and it's one place where Israeli intelligence forces can gather information.

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Title: Weather U.S.
A lot of discussions is going on right now with Washington, D.C., about whether U.S. President Donald Trump revealed highly classified information to officials from Russia. He met with that country's foreign minister and ambassador last week at the White House. And on Monday night, "The Washington Post" reported that President Trump shared top secret information about an ISIS terrorist plot.

Why would this concern some U.S. intelligence officials? Well, if the president shared sensitive information with Russia, it could reveal to that country or others some methods or sources that America uses to gather intelligence and that's something the U.S. doesn't want to be known.

CNN has not independently verified "The Washington Post" report and a Trump administration says it's wrong.

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Title: Outbreak
And first today, we're taking you to Central Africa, where an outbreak of the deadly Ebola virus has been reported in the Democratic Republic of Congo. It's been hit before. There have been eight outbreaks here since Ebola was first recognized in 1976. That's according to the U.S. Centers for Disease Control.

The silver lining is that the nation's experience could help it respond quickly. So far, three people have died and health officials are investigating at least 17 suspected cases. All of them have been in a remote northern part of the Democratic Republic of Congo. The virus has a high fatality rate and there's no approved treatment or cure.

But there is an experimental vaccine that's undergoing clinical trials and it's been shown to be highly protective against Ebola. If it's called for this time, medical officials hope it could help contain the outbreak. The medicine was developed during the 2014 outbreak in West Africa. It was the worst ever and it killed more than 11,000 people.

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Title: Outpatient Appointments
Security experts say this is one of the worst and most widespread pieces of malware they've ever seen, especially because it's even caused some hospitals in the U.K. to have to cancel outpatient appointments.

So, what exactly happened to infected computers and how big is this?

The ransomware actually locks up all the files in your computer and demands $300 in bitcoin in order to regain control. People are seeing this message all around the world. Researchers say this is spreading through a Windows' weakness known as eternal blue, which Microsoft released a patch for last month.

This ransomware is actually just going through the Internet looking through vulnerable computers, according to cyber security firm Malware Bites. That means you don't even have to click a phishing email to get infected.

How can you protect yourself? Well, you know those seemingly annoying security updates from Microsoft Windows, if you've installed the latest one, you're safe. If you haven't, do it right away. For now, that's about it.

Who's responsible? Researchers aren't pointing their fingers yet, but the most amount of attacks so far have been in Taiwan, Ukraine, and Russia, according to Avast.

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Title: Cave-In!
Earlier this week, there was a cave-in at a tunnel in Washington state. No one was hurt but officials scrambled to fix that quickly because it's part of the Hanford Facility, a nuclear waste site. The collapsed tunnel was covered in eight feet of soil. It was built during the Cold War as a place to put rail cars contaminated with nuclear waste.

They've been used to produce plutonium, a fuel for nuclear weapons. In fact, some of the material from the Hanford site was used in the atomic bomb dropped in Nagasaki, Japan, in 1945, leading to its surrender that ended World War II.

Plutonium is incredibly toxic to humans. It can cause lung and bone cancer among other things. So, when the cave in was discovered, the 3,000 workers at the facility were told to shelter in place. There were concerns that contamination could spread through the air.

Leaks have happened at this facility before, but a spokesman says the tunnel collapse is a first. The section was sealed in the mid-1990s, and workers don't know how it would have caved in. Initial tests showed there's no evidence of a radiation leak or that workers were exposed to it.

The U.S. Department of Energy plans to fill in the tunnel with clean soil and the effort to clean up the site, which started in 1989, will continue.

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Title: National Security
First story, are thousands of additional U.S. troops headed to the southern Asian country of Afghanistan. That's something that U.S. national security advisers may be requesting from President Donald Trump.

The conflict in Afghanistan is America's longest war. It began under former President George W. Bush in 2001. That's when the Taliban, who ruled Afghanistan at that time, refused to turn over the al Qaeda terrorists who were responsible for the September 11th attacks on the United States. Conflict raged in the years that followed with a coalition lead by the U.S. fighting Taliban and al Qaeda forces.

Former President Barack Obama promised to end the war there. But instead, he left office earlier this year with more than 8,000 U.S. troops still serving in Afghanistan.

And though Donald Trump, when he was a candidate, promised to put an end to what he called nation-building, President Trump may be expanding the American footprint in Afghanistan. Just like in 2001, the Taliban still posed a challenge in the country.

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Title: The Youngest Person Ever Elected
He's the youngest person ever elected in France. He was considered a centrist candidate who's socially liberal and he defeated a strongly conservative candidate, 48-year-old Marine Le Pen.

The election was divisive. Neither candidate in yesterday's runoff was from a major party. Analysts say that shows many French felt the traditional parties had left them behind.

One big difference between the candidates was that Macron, who's never held elective office, strongly supported the European Union. Le Pen wanted France to leave it. That's a major issue for many Europeans, following Britain's vote to leave the union last year. France's challenges include slow economic growth, high unemployment, immigration and terrorism. Following his victory, Macron promised to work toward unity in the country.

Eighty-two school girls who were kidnapped in Nigeria just over three years ago arrived in the capital city of Abuja yesterday. It was part of an agreement between the African country's government and the terrorists who kidnapped the girls in April of 2014.

They're believed to be part of the group known as the Chibok girls, named for the town where the mostly Christian students were taken from their boarding school in the middle of the night. Two hundred seventy-six were kidnapped in all. As many as 57 escaped shortly afterward. Others were released later, and negotiations to free the remaining 113 girls are ongoing.

Those who were just freed were released and exchanged for five commanders from the Boko Haram terrorist group.

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Title: Voted To Repeal
In Washington, D.C. Yesterday, the U.S. House of Representatives voted to repeal and replace the Affordable Care Act also known as Obamacare. The health reform law was considered former President Barack Obama's biggest domestic achievement. Yesterday's House vote to repeal is considered a major victor for President Donald Trump.

Since Obamacare was signed into law in 2010, Republicans have tried to get it repealed. Yesterday, with the House vote of 217-213, they took a step closer to getting that done. Their plan is called the American Health Care Act. And while President Trump supports it, it still has to be approved by the Senate before it can reach his desk for signature. Though the president says he's confident it will, Senate Democrats are demanding and promising it will be defeated.

Health care in America is a controversial and costly subject. Yesterday's vote was largely along party lines, with all Democrats and a handful of Republicans voting against it. When Obamacare was passed in 2010, all Republicans and a handful of Democrats voted against it.

In the midterm elections that followed, Democrats lost control of the House. In the next midterms, they're predicting Republicans will lose control of the House. No matter what happened, debate over health care isn't going anywhere, especially with the Senate vote ahead.

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Title: Frequently Taken Aimed At The Media
President Trump has frequently taken aimed at the media, accusing organizations of not covering him fairly and he was contrasting the Harrisburg rally with the White House correspondents' dinner, typically, an event where the president and the media trade jokes about each other and themselves.

President Trump was the first U.S. leader since President Ronald Reagan not to attend the correspondents' dinner. Also on Saturday, tens of thousands turned out at Washington, D.C. for what organizations called the People's Climate March. There were demonstrations like this in several other U.S. cities and abroad. The Trump administration has worked to remove government regulations on fossil fuels, regulations put in place by the Obama administration. And marchers believe the Trump administration's policies will negatively impact the environment.

President Trump has said he's committed to protecting the environment, but that greener policies must not come at the expense of jobs.

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Title: 100 Days!
Tomorrow marks 100 days since U.S. President Donald Trump was inaugurated. It's considered a milestone for an American leader. And the president is expected to attend a rally in Harrisburg, Pennsylvania, on Saturday to talk about his accomplishments. Like the three previous presidents, Mr. Trump has gotten mixed reviews on his first 100 days in office, but he's gotten lower approval ratings.

In a CNN/ORC poll conducted between April 22nd and April 25th, 44 percent of respondents said they approve of the way Donald Trump is handling his job as president, 54 percent said they disapprove. The findings were similar in several other national polls.

On the issue of national security, 50 percent of respondents approve of the president's work, 48 percent disapprove. That number has held steady in recent months.

For health care policy, 36 percent approve of the job the president is doing, 61 percent disapprove. That number took a hit after Republicans in Congress failed to pass the first version of their plan to repeal and replace Obamacare, though they say they're working on a compromise.

On immigration, 41 percent approve, 57 percent disapprove. The president's executive order temporarily banning immigration from certain countries is current tied up in court.

But regarding the Supreme Court, the president's nomination of Judge Neil Gorsuch to fill a vacancy was a success. He was narrowly confirmed by the Senate and is now seated on the bench.

And on the economy, 59 percent said U.S. economic conditions are good, 41 percent said they're poor. The stock market has continued to climb despite hitting some bumps.

And President Trump says he's beginning to renegotiate NAFTA, the North American Free Trade Agreement between the U.S., Canada and Mexico.