Being a United Nations goodwill ambassador since 2001, Angelina has taken part in a number of awareness-raising projects and trips in Africa.
Her work has helped children's charity UNICEF and she contributes her own money to various charities. She and her partner Brad Pitt gave the money from a deal for the first pictures of their baby daughter, Shiloh, to charity.
Pitt is also actively involved in a lot of her work in Africa and began campaigning for a green approach to the reconstruction of New Orleans, the area devastated by Hurricane Katrina. He's working on the project with Global Green USA.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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