Discovery

How Do Astronauts Avoid Debris?
00:05:26

How Do Astronauts Avoid Debris?

2,208 المشاهدات ·

What Could Have Created This Bizarre Geometric Pattern in South America?
00:02:43
How Fast Is Gravity? Einstein s Predictions for the Speed of Gravity
00:04:05
Can You Imagine Living On A Planet With Permanent Sunsets?
00:02:05
Watch This Glass Ripple In Slow Motion Before It s Totally Smashed
00:01:36
Project Mercury: The First Americans in Space
00:04:07
The Stardust Mission: Collecting Comet Dust in Space
00:04:02
Why We Send Animals to Space
00:03:48

Why We Send Animals to Space

3,458 المشاهدات ·

400 Million New Stars in Our Galaxy!
00:04:21

400 Million New Stars in Our Galaxy!

3,049 المشاهدات ·

Tabby s Strange Star Just Got Stranger
00:04:25

Tabby s Strange Star Just Got Stranger

1,009 المشاهدات ·

The Albigensian Crusade
00:11:33

The Albigensian Crusade

2,475 المشاهدات ·

Mother s Day and Forgotten History
00:07:16

Mother s Day and Forgotten History

3,625 المشاهدات ·

Theodore Roosevelt s Animals
00:08:59

Theodore Roosevelt s Animals

3,782 المشاهدات ·

A Forgotten Feud of
00:12:34
John Monash, the Australian Corps and WWI
00:14:44

John Monash, the Australian Corps and WWI

1,890 المشاهدات ·

The Mexican Expeditionary Air Force
00:12:06

The Mexican Expeditionary Air Force

4,903 المشاهدات ·

The American Bonapartes, an Updated History Guy Episode
00:11:57
10 TERRIFYING Stories About Archangels!
00:14:44

10 TERRIFYING Stories About Archangels!

4,423 المشاهدات ·

Reality Of Survival: The Most Important Survival Tool
00:10:12
An Outdoors Myth Revisited: Alu Foil Ground Pads - Foil Up Or Down?
00:05:49


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