Discovery

Over 30 Ultracool dwarf binary systems discovered!
00:01:18
15 Most Amazing Treehouses Ever Built
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15 Most Amazing Treehouses Ever Built

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Pirate Birds’ of the Tropics 180 | National Geographic
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ROV視角：奇特的深海透明「小頭魷」《國家地理》雜誌
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15 Most Powerful Ancient Siege Weapons
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15 Most Powerful Ancient Siege Weapons

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China launches pair of navigation satellites from sea platform
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Making a quick Spring Lathe
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Making a quick Spring Lathe

3,250 Просмотры ·

Neil deGrasse Tyson on Climate Change
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Neil deGrasse Tyson on Climate Change

2,868 Просмотры ·

Is The CIA Responsible For UFO Sightings, Or Is It All A Cover Up?| Rob Riggle: Global Investigator
00:09:49
Turning a Double Spoon Blank
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Turning a Double Spoon Blank

3,483 Просмотры ·

Does the Solar System Line Up with the Milky Way?
00:04:15
13-Minute Lake Meditation Smithsonian Channel
00:13:43

13-Minute Lake Meditation Smithsonian Channel

2,261 Просмотры ·

Fall of Tenochtitlan (1521) - Spanish-Aztec War DOCUMENTARY
00:15:01
Ritchie Torres: America Owes a Debt to “Wise Latinas” Latinx Heritage Month | Smithsonian Channel
00:01:06
Why the ‘Stonehenge of Atlit Yam’ was Held in Such High Regard Secrets | Smithsonian Channel
00:04:00
15 Most Powerful Vehicles Ever Made
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15 Most Powerful Vehicles Ever Made

2,858 Просмотры ·

The Incredible Predictions Of Edgar Cayce
00:15:30

The Incredible Predictions Of Edgar Cayce

1,522 Просмотры ·

Malaya: Greatest British Catastrophe of World War Two DOCUMENTARY
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Goodbye, SOFIA, the Telescope That Actually Flew
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Lights Out | Wild Bear Rescue S01E12 | Go Wild
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