TED Talks
Geoffrey West: The surprising math of cities and corporations
Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In...
SciShow
Remote Control Brain Receptors
We have a powerful way to study how brains work thanks to a relatively new technology called chemogenetics. With chemogenetics, scientists can give an injection to mice that turns specific parts of their brains on or off!
TED-Ed
TED-Ed: Claire Simeone: The lovable (and lethal) sea lion
Sunning themselves on rocks or waddling awkwardly across the beach, it's easy to think of sea lions more as sea house cats. But don't be fooled by their beachside behavior. Under the waves, sea lions are incredible endurance hunters,...
TED-Ed
TED-Ed: Why neutrinos matter - Silvia Bravo Gallart
Elementary particles are the smallest known building blocks in the universe-and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about the furthest reaches and most extreme environments of the universe...
SciShow Kids
Winter at the North Pole!
Winter means a lot of changes, and while you might think it's cold outside, some animals can't wait for it to get colder so that they have an easier time finding their next meal!
SciShow
Why Can't My Cat Roar?
Only four species in the cat family can roar: lions, tigers, leopards, and jaguars. And zoologists are pretty sure those four species can't purr. But why?
SciShow
Why Do We Get Colds When It's Cold?
The temperature drops and you're more likely to get a cold: Is this correlation or causation?
TED Talks
TED: How we wrecked the ocean | Jeremy Jackson
In this bracing talk, coral reef ecologist Jeremy Jackson lays out the shocking state of the ocean today: overfished, overheated, polluted, with indicators that things will get much worse. Astonishing photos and stats make the case.
SciShow
Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?
TED-Ed
TED-Ed: Why do some people snore so loudly? | Alayna Vaughan
A leather mask that clamps the mouth shut. A cannonball sewn into a soldier's uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might...
TED-Ed
TED-Ed: Can you solve the human cannonball riddle? | Alex Rosenthal
They call you the human cannonball. Your act involves flying through rings of fire, bouncing through a trampoline course, and catching the trapezist in the grand finale. Today's pre-flight test fails dramatically, and upon inspection,...
SciShow
How To Make a Mutant Flu
Hank dishes out updates on the mutant flu virus and the James Webb Space Telescope, and gives us some new bits about new exoplanets, secret space planes, and a study that shows that music evolves according to Darwin's rules.
TED-Ed
TED-ED: What is the tragedy of the commons? - Nicholas Amendolare
Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior...
SciShow
Why Can't We Just Kill Off Invasive Species?
Invasive species destroying ecosystems are a huge problem, but there’s hope that we can help mitigate the damage.
SciShow Kids
Why Do We Yawn?
We yawn a lot when we're tired or warm, and sometimes we even yawn just because we see other people yawning! But why do we yawn in the first place?
SciShow
New Earth-Size Planet and a Solar Eclipse
Caitlin Hofmeister gives you the latest news from around the universe, including Kepler's latest exoplanet discovery, an upcoming solar eclipse, and a breathtaking image from Hubble.
SciShow
Can You Really Tell if Someone is Lying to You?
The internet is full of tips, tricks, and strategies to tell when somebody is lying, but the reality of lie detection isn't quite as clean and definitive as it is on TV.
SciShow
Why Are Some COVID-19 Cases Asymptomatic?
For many, COVID has been a devastating virus, but there are people who don't exhibit any symptoms at all. Why is that?
SciShow
Spider Rain?!!
Hank sets the record straight for us, discussing a rain of spiders in Brazil (!?), a new virus that has the internet all a-twitter, and another asteroid recently found to have hit the Earth (not the one in Siberia!) - are you ready for...
TED-Ed
TED-Ed: A day in the life of a Mongolian queen - Anne F. Broadbridge
As dawn breaks over a moveable city of ten thousand yurts, Queen Boraqchin readies her kingdom for departure to their summer camping grounds. While her husband, the grandson of Genghis Khan, is out raiding, she juggles the duties of...
TED Talks
Sheila Patek: The shrimp with a kick!
Biologist Sheila Patek talks about her work measuring the feeding strike of the mantis shrimp, one of the fastest movements in the animal world, using video cameras recording at 20,000 frames per second.
SciShow
Space Particles Are Flying Through You Right Now!
Tiny remnants of extreme nuclear reactions in space are flying through your body right now. And astronomers are hunting them to learn more about some of the most energetic and violent objects in the universe.
TED-Ed
TED-ED: How to spot a counterfeit bill - Tien Nguyen
Authentic dollar bills are equipped with many security features to make them difficult to forge. But that doesn't stop counterfeiters from trying to fool people with fakes. Luckily, anyone can help catch a counterfeit; all you need are a...
SciShow
What’s Up With Those Bright Blue Eggs?
It seems like birds would want to hide their eggs, but there are hundreds of species that lay blue to blue-green eggs. Thanks to some clever experiments, we’re finally starting to understand why birds might benefit from conspicuously...