World Science Festival
Modern MacGyver: The Dirt Battery
Almost 2 billion people have no access to electricity. Solar power has become more common in the past 20 years, but it can't be active 24 hours a day or in cold climates. Hugo Van Vuuren and his colleagues at Harvard University wanted to...
American Chemical Society
Is Aspartame Safe?
How sweet it is! Is it possible for something that tastes so sweet to be bad for us? Young sweetener scientists get an in-depth look at aspartame with a video from the American Chemical Society's Reactions playlist. Content includes...