Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest.
In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today don’t resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment.Watch Now
Alistair Campbell explores an interesting perspective on depression. Encouraged by his family, Alistair sets out on a journey to explore if cutting edge science can offer him - and the millions of people like him - the hope of one day living depression-free. As he tries to understand his depression better, he also reflects on key events in his life and asks if they could have had a negative effect on his mind.Watch Now
If you're a Pokémon super-fan seeing Detective Pikachu this weekend, a little bit of your brain might light up that won’t light up in the brains of those that didn’t try to catch 'em all! Find out why that's important to understanding how our brains work, and the latest breakthrough in Alzheimer's research on this week's SciShow News!
Professor Uta Frith, University College London, outlines how research itself and the public perception of autism has evolved over the years. Uta also highlights some promising changes and initiatives set to improve the credibility of biomedical research.
Science really is everywhere! From the Big Bang to quantum mechanics to free will to ice skating, we explore it all featuring Neil deGrasse Tyson, Chuck Nice, theoretical physicist Brian Greene, neuroscientist Heather Berlin, rapper Baba Brinkman, and Olympic silver medalist figure skater Sasha Cohen.Watch Now