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Course Mastery Tips for Students

Official SAT Practice Tips for Students

Khan Kickoff Pep Talk: Tony Hawk

Khan Kickoff Pep Talk: Akbar Gbajabiamila

Khan Kickoff Overview

Primary productivity in ecosystems

Homeroom with Sal & Dr. Jennifer Doudna - Wednesday, January 13

Elon Musk $5 million donation to Khan Academy thank you

Homeroom with Sal & Melinda Gates - Tuesday, January 12

Energy flow in a marine ecosystem

Khan Academy Ed Talks - Reimagining School with Sal Khan, Rachel E. Skiffer, & Kim Dow

Khan Lab School

Khan Academy Ed Talks featuring Asst. Supt. Beth Gonzalez - Thursday, Dec. 17

Khan Academy Ed Talks featuring Brooke Mabry - Wednesday, December 16

Reminder: Support Khan Academy today!
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How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249

How to Harvest Pecans (In Slow Motion) - Smarter Every Day 248

Trying to Catch a 1,000 MPH Baseball - Smarter Every Day 247

How to Make Pizza on a Submarine - Smarter Every Day 246

Explosive Bat in Slow Motion Ft. Stuff Made Here - Smarter Every Day 245

How to Fight Fire or Flooding on a Nuclear Submarine - Smarter Every Day 244

Navy SEAL Astronauts - Smarter Every Day 243

World's Fastest Pitch - Supersonic Baseball Cannon - Smarter Every Day 242

Crawling Down A Torpedo Tube -US NAVY Nuclear Submarine - Smarter Every Day 241

Boarding a US NAVY NUCLEAR SUBMARINE in the Arctic - Smarter Every Day 240

Everything about Sea Turtles - Smarter Every Day 239

Which Shape CUTS BEST? (Weed Eater Line at 100,000 Frames Per Second) - Smarter Every Day 238

How I Boarded a US NAVY NUCLEAR SUBMARINE in the Arctic (ICEX 2020) - Smarter Every Day 237

How Weed Eaters Work (at 62,000 FRAMES PER SECOND) - Smarter Every Day 236

GOING SUPERSONIC with U.S. Air Force Thunderbirds! Pulling 7 G's in an F-16 -Smarter Every Day 235
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We can help you master public speaking - Chris Anderson

Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie

These squids can fly... no, really - Robert Siddall

Why should you read Toni Morrison’s “Beloved”? - Yen Pham

A day in the life of an ancient Babylonian business mogul - Soraya Field Fiorio

What happens when you die? A poetic inquiry

The strange history of the world's most stolen painting - Noah Charney

Can you solve the monster duel riddle? - Alex Gendler

The spear-wielding stork who revolutionized science - Lucy Cooke

A quantum thought experiment - Matteo Fadel

Building the world's largest (and most controversial) power plant - Alex Gendler

The most colorful gemstones on Earth - Jeff Dekofsky

The world’s largest organism - Alex Rosenthal

The life cycle of a cup of coffee - A.J. Jacobs

How do personality tests work? - Merve Emre
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Computational Linguistics: Crash Course Linguistics #15

What is Physical Geography? Crash Course Geography #4

Radical Reactions & Hammond's Postulate: Crash Course Organic Chemistry #19

World Languages: Crash Course Linguistics #14

What is space and how do we study it? Crash Course Geography #3

Alkyne Reactions & Tautomerization: Crash Course Organic Chemistry #18

Language Change and Historical Linguistics: Crash Course Linguistics #13

What is a Map? Crash Course Geography #2

Language Acquisition: Crash Course Linguistics #12

Alkene Redox Reactions: Crash Course Organic Chemistry #17

Psycholinguistics: Crash Course Linguistics #11

🍌 What is Geography? Crash Course Geography #1

Phonology: Crash Course Linguistics #10

Crash Course Geography Preview

Phonetics 2 - Vowels: Crash Course Linguistics #9
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