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Cardiologist Answers Heart Questions From Twitter

Adults Human
Cardiologist Dr. Sunil Rao answers your questions about the heart from Twitter. How do you measure your maximum heart rate?

Our Instruction Manual for Existing

Adults Human
Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.

How humanity got hooked on coffee - Jonathan Morris

Adults Human
Trace the history of coffee, from its first known origins to its rise in popularity due to trade routes and cultivation.

The Oldest Unsolved Problem in Math

Adults Human
Do odd perfect numbers exist?

The Unique Bond Between Humans and Dogs | Wonderful World of Puppies | BBC Earth

Adults Human
Newborn puppies express their emotions through various tummy grunts and whines, creating a unique bond with their owner.

How This Guy Runs a 5 and a Half Minute Mile...Backwards | WIRED

Adults Human
Ever tried running backwards? Meet Aaron Yoder, one of the world's fastest backward runners who can complete a reverse mile in five and a half minutes.

Why Are All Humans Unique? Meiosis: Crash Course Biology

Adults Human
Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.

Why Steve-O risked his life over, and over, and over again

Adults Human
You know Steve-O. Now meet Steve Glover, as the professional stuntman talks to us about pain, insecurity, and never finding contentment.

Alex Honnold Rappels The Moulin

Adults Human
Climber Alex Honnold and glaciologist Heidi Sevestre descend deep into a Moulin: a deep verticial river going tens of meters into the glacier itself.

6 Tips on Being a Successful Entrepreneur | John Mullins | TED

Adults Human
Sometimes, you need to break the rules to innovate — but which ones? Entrepreneurship professor John Mullins shares six counter-conventional mindsets for entrepreneurs looking to think strategically, navigate challenges and change the world.

Psychiatrists Can't Agree About This New Disorder

Adults Human
Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.

Do Gut Microbes Control Your Personality? | Kathleen McAuliffe | TED

Adults Human
Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders.

Inside Jay Pharoah’s antifragile mindset

Adults Human
ay Pharoah is known best for his impressions, but he’s got a lot more going on.

The Best Keyboard, According to Science

Adults Human
o become a master of coding, start your college journey with Study Hall!

How to know if you're being selfish (and whether or not that's bad) - Mark Hopwood

Adults Human
Explore a classic philosophical debate and decide: is it human nature to be selfish? And if so, is it possible to overcome it?

Why We Need To Teach Astronomy

Adults Human
People don’t understand the scale of the Universe.

Keep Calm And Recover From Surgery Faster

Adults Human
Can keeping calm before a surgery reduce negative outcomes? More than one study says "Yes."

Your Tattoo is INSIDE Your Immune System. Literally

Adults Human
Your tattoos are inside your immune system, literally. With each very tasteful piece of art, you kick start a drama with millions of deaths, grand sacrifices and your immune system stepping in to protect you from yourself.

Buried Secrets of the Bible with Albert Lin: Sodom & Gomorrah

Adults Human
Albert Lin reveals real events behind the epic biblical story of Sodom and Gomorrah.

Why AI Will Spark Exponential Economic Growth | Cathie Wood | TED

Adults Human
Investor Cathie Wood explores this unique moment in technology, which she sees as being marked by the simultaneous evolution of five pivotal innovation platforms — a scenario unparalleled in history.

A Tour of the Cell: Crash Course Biology #23

Adults Human
The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced.