Discovery

U-Boats vs Allies - WWII: Witness to War - S01 EP3 - History Documentary
00:43:36
火雞大小的恐龍有著蒙面俠般的面具《國家地理》雜誌
00:01:03
Neil deGrasse Tyson on Computer-Generated Art without Emotion
00:03:29
A Black-Collared Hawk Swoops Down to Catch Easy Prey (4K)
00:01:46
Scout Camp Common Man Black Powder Setup
00:18:27
傳統中藥鋪的日常（縮時攝影）《國家地理》雜誌
00:01:11
Ax-2 farewell! Astronaut Peggy Whitson s emotional good-bye to space station & more
00:10:30
Exciting M87 Black Hole Update: Actual Video and Surprise Observations
00:10:31
The Team Catches Two Pythons In The Same Night! | Guardians Of The Glades
00:07:49
The Nature of Nature | National Geographic
00:14:39
How Do Gravitational Slingshots Work?
00:05:03
15 Enchanting Forest Houses
00:16:10

15 Enchanting Forest Houses

1,880 Bekeken ·

Q&A 3: Running out of Hydrogen and More...
00:09:32
This Mysterious Ancient Cult Worshiped In Secret Underground!
00:16:31
Can We Launch Nuclear Waste Into the Sun? Why This is a Terrible Idea
00:09:51
Neil deGrasse Tyson and NASA Chief Scientist Explain New Mars Rover
00:18:43
Fence Line Snares for Coyote
00:03:23

Fence Line Snares for Coyote

4,683 Bekeken ·

WORLD NEWS January 2018 (Geography Now)
00:08:35
Grayl Filter Class video clip
00:03:32
iSpace At The Moon // 3D-Printer Rocket // Life Near Rogue Planets
00:18:14


Showing 1525 out of 2848