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Valence electrons and ionic compounds | AP Chemistry | Khan Academy07:55

Valence electrons and ionic compounds | AP Chemistry | Khan Academy

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B2
What Actually Causes Dandruff?09:02

What Actually Causes Dandruff?

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Hands vs. Hot Springs!11:23

Hands vs. Hot Springs!

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微生物学者だけど「細胞や細菌」について質問ある？ | Tech Support | WIRED Japan28:17

微生物学者だけど「細胞や細菌」について質問ある？ | Tech Support | WIRED Japan

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Season 4 Fan Favorites Part 1 | The Big Bang Theory26:49

Season 4 Fan Favorites Part 1 | The Big Bang Theory

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B1
The History of Chemical Engineering: Crash Course Engineering #509:00

The History of Chemical Engineering: Crash Course Engineering #5

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Exploring Cave and Basin in Banff - The Birthplace of Canada's National Parks13:37

Exploring Cave and Basin in Banff - The Birthplace of Canada's National Parks

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Are plant-based meats actually sustainable? (Impossible Burger & Beyond Meat)11:02

Are plant-based meats actually sustainable? (Impossible Burger & Beyond Meat)

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Top 10 Creepiest Places on Earth That Can't Be Explained11:06

Top 10 Creepiest Places on Earth That Can't Be Explained

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Your Time Machine Broke - At The Worst Time In History12:53

Your Time Machine Broke - At The Worst Time In History

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Why is McDonald's so cheap?12:34

Why is McDonald's so cheap?

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The History of Atomic Chemistry: Crash Course Chemistry #3709:42

The History of Atomic Chemistry: Crash Course Chemistry #37

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5 Ecosystems Thriving in the Least Likely Places12:12

5 Ecosystems Thriving in the Least Likely Places

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Most Controversial Life Noggin Episodes Compilation10:25

Most Controversial Life Noggin Episodes Compilation

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How were French Fries Invented? | #aumsum16:18

How were French Fries Invented? | #aumsum

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Uranus & Neptune: Crash Course Astronomy #1912:19

Uranus & Neptune: Crash Course Astronomy #19

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The History of Life on Earth - Crash Course Ecology #113:38

The History of Life on Earth - Crash Course Ecology #1

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This Is What Happens When You Eat Too Much Protein (Science Explained)19:31

This Is What Happens When You Eat Too Much Protein (Science Explained)

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Norway and CO2 emissions | DW Documentary25:57

Norway and CO2 emissions | DW Documentary

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Top 20 Deep Sea Mysteries That Will Freak You Out19:22

Top 20 Deep Sea Mysteries That Will Freak You Out

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Heating A Bathtub With A Pile Of S#*t | Shut It Off ASAP19:44

Heating A Bathtub With A Pile Of S#*t | Shut It Off ASAP

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6ish of Your Everyday Actions, Explained | Compilations18:22

6ish of Your Everyday Actions, Explained | Compilations

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Mysteries Underground - National Geographic53:17

Mysteries Underground - National Geographic

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Preparation for General Chemistry 1P. Lecture 02. Classification of Matter.41:43

Preparation for General Chemistry 1P. Lecture 02. Classification of Matter.

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Supervolcano.The Truth About Yellowstone.56:52

Supervolcano.The Truth About Yellowstone.

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Module 1: Occupational Hygiene Principles51:47

Module 1: Occupational Hygiene Principles

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27. Nuclear Materials — Radiation Damage and Effects in Matter55:54

27. Nuclear Materials — Radiation Damage and Effects in Matter

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Chemical Curiosities: Surprising Science and Dramatic Demonstrations69:43

Chemical Curiosities: Surprising Science and Dramatic Demonstrations

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Food as Medicine: Preventing and Treating the Most Common Diseases with Diet74:44

Food as Medicine: Preventing and Treating the Most Common Diseases with Diet

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