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SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
SciShow
The History, and Future, of Space Suits
Reid Reimers explains one of the often-overlooked technologies that humans need to live in, and explore, space: space suits. Learn about the hundred-year history of the pressurized suit, and see what the future of space couture might...
SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
Brave Wilderness
STUNG by a Stonefish! (Most Painful Sting on Earth)
See what it’s like to get stung by the world’s most venomous fish, the Stonefish! In this video I'm back in Australia to show you where stonefish live, how they defend themselves with venomous spines and then I will test the venom on...