People use uranium in nuclear weapons, too. Some countries worry that Iran wants to make a nuclear weapon. The deal stops Iran.

Iran breaks the deal. The country wants to get more uranium now.

Iran says that the uranium is not for nuclear weapons. It is not easy to make a nuclear weapon. The weapon has many parts. It lasts a long time to make all the parts. Some countries do not believe Iran.

A person who worked at the zoo had a positive test for the coronavirus, but he did not have any symptoms. He continued working at the zoo, and he wore a mask when he was near the gorillas. It seems that the gorillas got the virus from him.

The director of the zoo said that the animals were feeling well, and they did not have serious health problems. They got vitamins, food, and plenty of water. It was not necessary to give them any medicine.

Gorillas live in groups and there are not very many of them in the world. Scientists worry that the coronavirus could reduce the number of gorillas in the world even more.

The painting was in a cave, in a valley up in the mountains of the Indonesian island of Sulawesi. It was very close to a big city, but it was not easy to get to the place.

Scientists were very lucky because there was a mineral on the painting. Thanks to it, scientists could use a special method to find out how old the painting was. They found out that it was 45,500 years old.

The painting showed a wild pig with a head, tail, and legs. There were two human hands next to it.

The Dalai Lama, Thunberg, and two scientists spoke about the climate crisis. The Dalai Lama said that Thunberg was a very brave young woman and that she gave him hope for a better future.

The Dalai Lama said that all people in the world had to think and work together. Thunberg said that people needed to learn more about climate problems and do something to stop them.

The people were afraid that the balloon would ditch into the ocean, but a passing boat saw it and helped. The pilot was able to offload the passengers one at a time. Once the passengers were safe, the balloon was light enough for the pilot to land safely on a beach. He received a lot of praise for his actions.

In 2014, Facebook bought WhatsApp for 22 billion dollars, and it wanted to make money from it. Facebook wanted to make money from companies and advertisers, but it was necessary to get some information about WhatsApp users. Acton did not like this, and in 2017, he resigned from his job in WhatsApp.

In 2018, Acton started a new company called Signal Messenger. It can do many similar things as WhatsApp, but it does not have problems with privacy. It is safe and nobody can read a message except the person who the message is for. Signal is becoming very popular and many WhatsApp users are starting to use Signal.

These people are officials, players, and their teams who came on three planes, and later, some other passengers on the same flights had positive tests for COVID-19. Tournament organizers decided to isolate 72 players in hotel rooms, and all players need to go for a COVID-19 test every day. They can leave their rooms only for five hours to train and get medical care.

Some players got angry because they could not get enough training. Novak Djokovic is the world´s No. 1 star, and he asked organizers to get more time to train. He said that players could move into houses with tennis courts.

The French artist changed buildings and neighbourhoods around the world with his work. In 2009, he covered a slum in Nairobi with pictures of women who live there.

You can see the act in Paris for one more month.