How Anesthesia Works

Here’s How Anesthesia Works And What It Does To Your Body

When under anesthesia, you can’t move, form memories, or — hopefully — feel pain. And while it might just seem like you are asleep for that time, you actually aren’t. What’s going on? TED-Ed explains the science behind modern anesthesia, and how they keep you from moving, feeling pain, or forming memories. Steven Zheng explains …

rare deepsea jellyfish

Rare Jellyfish Found 4,000 Feet Deep Looks Like Underwater Fireworks Explosion

A special New Year’s Eve discovery from the crew of the E/V Nautilus. “We’re starting this year with deep sea fireworks, and a spirit of exploration! When something remarkable floats by in the middle of sampling operations, our team quickly switches gears to marvel and document. The frilled tentacles of the Halitrephes maasi jelly came …

NERF gun modification liquid nitrogen

NERF Gun Turns Into Dangerous Weapon Thanks To Liquid Nitrogen

Giaco Whatever turns everyday items into dangerous weapons. So leave it to him to transform a kid’s NERF gun thanks to the pressure generated from liquid nitrogen expanding inside the gun at room temperature. “Liquid Nitrogen expands really vigorously at ambient temperature to a rate of 1:700 and it’s impossible to contain in its liquid …