SciShow
5 Times Evolution Did Its Best
Usually when you think of evolution or natural selection, you think of survival of the fittest. But sometimes, the resulting traits of evolution aren’t the most efficient solutions to the problems at hand. With the bar set to “good...
SciShow
5 More Strange Flying Machines
In our last list of strange aircraft, we stuck to covering the weirdest jets to take to the sky, but there are plenty of other types of bizarre flying machines out there! In this episode, Hank will tell you about five other unlikely...
SciShow
Mendeleev's Periodic Table
Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.
TED Talks
TED: Gourmet food for the final frontier | Phnam Bagley
What does an in-flight meal look like when you're traveling to Mars? Designer Phnam Bagley envisions a future where astronauts have nourishing, flavorful food reminiscent of home -- a giant leap from their current staple of...
PBS
Mysteries of Food Cravings
Health correspondent Betty Ann Bowser talks to author Dr. David Kessler about overeating and what is behind people's cravings, the subject of his new book, "The End of Overeating."
PBS
These policies helped South Korea's capital decrease food waste
About one-third of all the food produced for human consumption is lost or wasted, according to the United Nations. But several years ago, South Korea instituted a law that requires residents to separate food waste from other garbage and...
Crash Course Kids
Hunting for Properties
Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about...
MinutePhysics
Will Batteries Power The World? | The Limits Of Lithium-ion
Can Batteries Power Everything? This video is about the physical and chemical limitations to electrolytic batteries, and how we might surpass the energy density and specific energy of lithium-ion batteries (like the Panasonic 18650...
TED-Ed
How the world's tallest skyscraper was built | Alex Gendler
In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the world's skyscrapers. Five years later, the 828-meter Burj Khalifa was complete, surpassing the previous...
Crash Course
Eating and Body Dysmorphic Disorders: Crash Course Psychology
In this episode of Crash Course Psychology, Hank walks us through the troubling world of Eating and Body Dysmorphic disorders. There's a lot going on here and, even though we still have a lot of dots to connect, a lot we can learn to...
TED-Ed
TED-Ed: Gillian Gibb: Why can't some birds fly?
Though the common ancestor of all modern birds could fly, many different bird species have independently lost their flight. Flight can have incredible benefits, especially for escaping predators, hunting and traveling long distances. But...
SciShow
5 Times Evolution Should Have Planned Ahead
Natural selection can lead to some pretty amazing adaptations, but sometimes the resulting traits aren’t the most efficient solutions to the problems at hand. With the bar set to “good enough,” here are some features that arose from...
SciShow
Thrusters That Eat Teflon! Pulsed Plasma Thrusters
Pulsed plasma thrusters use the same stuff that’s on your frying pan to make spacecraft zoom around the universe. And they’ve been doing it since the 1960s.
TED-Ed
TED-Ed: Why are eating disorders so hard to treat? | Anees Bahji
Globally, about 10% of people will experience an eating disorder during their lifetime. And yet, eating disorders are profoundly misunderstood. Misconceptions about everything from symptoms to treatment make it difficult to navigate an...
SciShow
5 of the Most Important Inventions in Robotics
A lot of robots are developed to physically replicate our actions and behavior, like a bipedal, balanced walk, a large range of motion, and the ability to perceive and interact with the environment. But, maybe not to your surprise,...
MinutePhysics
Why It's HARD To Land on Mars
This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric density! When there's no atmosphere, you...
SciShow
Fire, Lightning, and Crystals in Space: 20 Years on the ISS
2020 marks two decades of people living and working about the ISS, and from fireballs to microgravity grown crystals, they've been keeping busy.
SciShow
Where Are All the Electric Airplanes
Clean, renewable energy is becoming more and more common in our everyday lives. But, as our cars and buildings become more green, tens of thousands of airplanes fly every day using petroleum-based fuel, and there's seemingly no end in...
SciShow
The Secret to Big Gains? Healthy Gut Bacteria #inmice | SciShow News
If you go to the gym often enough, you might be familiar with protein powders and shakes, but one study thinks that the secret to big gains might actually be your gut bacteria.
TED Talks
TED: The science behind a climate headline | Rachel Pike
In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change, with her team -- one of thousands who contributed -- taking a risky flight over the rainforest...
TED-Ed
The world's largest organism | Alex Rosenthal
The largest animal in the world is the blue whale, which weighs a massive 150 metric tons. Even so, it's not remotely close to being the largest organism by weight. That title goes to an organism so huge that it's estimated to weigh the...
TED-Ed
TED-Ed: Yes, scientists are actually building an elevator to space | Fabio Pacucci
Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential catastrophe. So in the space race of the 21st century, some engineers are abandoning rockets for something more...
SciShow
8 of the Worst Stinging Insects
Generally, humans try to avoid getting stung by insects. However, in the name of science, the betterment of humanity, and pure curiosity, there are brave people out there who willingly subject themselves to the business end of the most...
SciShow
A Kilogram Is Now a Kilogram—Forever | SciShow News
This week in SciShow News, there's a new kilogram in town, and we might be closer to understanding why people love coffee so much!