Science Off the Sphere: Lenses and Vortices

International Space Station Expedition 30 astronaut Don Pettit demonstrates physics in space (03:21)

Science

Preview thumbnail for What Is A Solar Eclipse?

What Is A Solar Eclipse? (03:02)

Preview thumbnail for Ten Fun Facts About Jellyfish

Ten Fun Facts About Jellyfish (02:45)

Preview thumbnail for The Ultimate Skywatching Guide for Every Season

The Ultimate Skywatching Guide for Every Season (02:41)

Preview thumbnail for Ten Fun Facts About Butterflies

Ten Fun Facts About Butterflies (02:27)

Preview thumbnail for The Mass Extinction That Wiped Out the Dinosaurs

The Mass Extinction That Wiped Out the Dinosaurs (02:15)

Preview thumbnail for Mesmerizing Reindeer Cyclone

Mesmerizing Reindeer Cyclone (00:30)

Preview thumbnail for Baby Piglet Struggles to Find Her Mealtime Place

Baby Piglet Struggles to Find Her Mealtime Place (03:10)

Preview thumbnail for A Vervet Monkey Befriends Some Hostile Dogs

A Vervet Monkey Befriends Some Hostile Dogs (03:28)

Preview thumbnail for This Orphan Zebra and Two Dalmatians Are Close

This Orphan Zebra and Two Dalmatians Are Close (03:54)

Preview thumbnail for Manta Rays Are Smart Enough to Give These Fish Instructions

Manta Rays Are Smart Enough to Give These Fish Instructions (02:19)

Preview thumbnail for This Alpha Male Macaque's Leadership Has Paid Dividends

This Alpha Male Macaque's Leadership Has Paid Dividends (02:12)