Fundamentally, the way amputation is done hasn't changed since the Civil War era. But these scientists are trying to change that: | NOVA l PBS

Here's how psychedelics can turn your brain into a shaken snow globe (as one analogy explains it): | NOVA l PBS

Reaching Ultra-Low Temperatures — NOVA | PBS

Episodes

Beyond the Elements: Reactions Interactive | NOVA | PBS

What does a dog value more – human affection or food? Scientists used an MRI machine to find out. #NationalDogDay | NOVA l PBS