SciShow
How Do Skiers Win Races?
Winning an alpine skiing race can come down to a tiny margin, so the skiers have to make sure they prepare their skis just right!
SciShow
How Do Skiers Win Races?
Winning an alpine skiing race can come down to a tiny margin, so the skiers have to make sure they prepare their skis just right!
Curated Video
The Ozone Layer
The world has already faced a major global climate challenge: the hole in the ozone layer, discovered in 1985. Find out what ozone is, why it's important, and how the ozone hole is being repaired. Earth Science - Human Impacts - Learning...