Discovery

What We Learned from Challenger and Columbia
00:04:38
Light Talks: Micronesian Kingfisher
00:01:52
人面蟹撿到海膽盾牌「防禦力UP！」《國家地理》雜誌
00:01:17
Death of King George VI | Being The Queen
00:02:49
WWI Factions: The U.S. Army
00:02:16
See NASA spacewalkers install and deploy a new solar array in epic time-lapse
00:05:36
Check Out The Lethal Power Of The Mega Mouse Trap!
00:03:08
Calming an Overly Excitable Dog | Cesar Millan: Better Human Better Dog
00:04:34
The Elderly Performers of Palm Springs, California (2000)
00:08:16
Ryan And Daddy Dave Clash For A Shot At The No.1 Spot I Street Outlaws
00:09:16
Surviving a Hippo Attack | Something Bit Me! | National Geographic
00:03:58
Bus-size asteroid zips by Earth closer than the moon in orbit animation
00:01:05
Woman Builds Daughter A Straw Bale House For $10,000 | Building Off The Grid
00:09:55
How The Universe s Age Could Tell Us How It Will End | How The Universe Works
00:09:55
Fighting Fish on the Stand Up Rod | Wicked Tuna | National Geographic
00:04:18
Lizards: Predator & Prey Smithsonian Channel
00:15:03
This Curry Sauce Needs the Right Balance of Yoghurt and Cream Smithsonian Channel
00:02:58
Neil deGrasse Tyson: Are There Any Good Viruses?
00:01:54
Map Reading Declination Diagram and Scale
00:08:32
Operation Mongoose: Trying and Failing to Kill Castro - Cold War
00:20:36


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