TED-Ed
TED-Ed: What's a smartphone made of? - Kim Preshoff
As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...
TED-Ed
TED-Ed: Why elephants never forget - Alex Gendler
It's a common saying that elephants never forget. But the more we learn about elephants, the more it appears that their impressive memory is only one aspect of an incredible intelligence that makes them some of the most social, creative,...
TED-Ed
TED-ED: How do birds learn to sing? _ Partha Mitra
A brown thrasher knows a thousand songs. A wood thrush can sing two pitches at once. A mockingbird can match the sounds around it - including car alarms. These are just a few of the 4,000 species of songbirds. How do these birds learn...
MinuteEarth
The Secret Weapon That Could Help Save Bees
Honeybees are dying from parasites, pesticides, and poor nutrition, but we can help them in a number of ways, including by encouraging them to make a homemade antibiotic.
SciShow
How to Avoid Corpse-Flavored Water
As organisms decompose their chemical and bacterial components can leach into the surrounding ground and water. The bodies buried in cemeteries are no exception.
TED-Ed
TED-Ed: Can you solve the dark matter fuel riddle? - Daniel Finkel
An ancient, abandoned alien space station has been discovered. Can you beat everyone in the galaxy and reach it first? -- It’s an incredible discovery: an abandoned alien space station filled with precursor technology. Now every species...
TED-Ed
TED-ED: Why do we kiss under mistletoe? - Carlos Reif
The sight of mistletoe may either send you scurrying or, if you have your eye on someone, awaiting an opportunity beneath its snow-white berries. But how did the festive tradition of kissing under mistletoe come about? Carlos Reif...
TED-Ed
TED-Ed: How did clouds get their names? - Richard Hamblyn
The study of clouds has always been a daydreamer’s science, aptly founded by a thoughtful young man whose favorite activity was staring out of the window at the sky. Richard Hamblyn tells the history of Luke Howard, the man who...
MinuteEarth
Smartphones: A New Model for Energy Efficiency?
The way smartphones made many devices nonessential is a model for a new way to think about improving energy efficiency.
TED-Ed
TED-Ed: Where we get our fresh water - Christiana Z. Peppard
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and...
MinuteEarth
How Do Some Waves Get SO Big?
All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.
TED-Ed
TED-ED: Is there a reproducibility crisis in science? - Matt Anticole
Published scientific studies can motivate research, inspire products, and inform policy. However, recent studies that examined dozens of published pharmaceutical papers managed to replicate the results of less than 25% of them - and...
TED-Ed
TED-ED: Sunlight is way older than you think - Sten Odenwald
It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun's core to its surface? Oddly enough, the answer is many thousands of years. Sten Odenwald...
MinuteEarth
Unintended Consequences | MinuteEarth Explains
In this collection of classic MinuteEarth videos, we learn that for pretty much every action we humans take, there’s an unintended consequence we didn’t see coming.
MinuteEarth
Why The Weather Is Worse At The Mall
Extreme weather sometimes happens in very specific areas thanks to extreme surface temperature differences.
TED-Ed
TED-ED: A guide to the energy of the Earth - Joshua M. Sneideman
Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our...
TED-Ed
TED-ED: Why do we harvest horseshoe crab blood? - Elizabeth Cox
During the warmer months, especially at night during the full moon, horseshoe crabs emerge from the sea to spawn. Waiting for them are teams of lab workers, who capture the horseshoe crabs by the hundreds of thousands, take them to labs,...
MinuteEarth
Why Don't More Animals Eat Wood?
Wood is abundant and full of energy, but outside of some insects, almost no animals eat it because the stuff it's made of is hard to break down
SciShow
What do green walls really do? #shorts #science #SciShow
What do green walls really do? #shorts #science #SciShow
MinuteEarth
Four Reasons Our Brains Suck At Pandemics
Certain cognitive biases cause humans to make unsafe decisions in a pandemic, making a terrible disease even worse.
TED-Ed
TED-ED: Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet
When most people think of fishing, we imagine relaxing in a boat and patiently reeling in the day's catch. But modern industrial fishing -- the kind that stocks our grocery shelves -- looks more like warfare. Ayana Elizabeth Johnson and...
TED-Ed
TED-Ed: The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus...
TED-Ed
TED-ED: Why the Arctic is climate change's canary in the coal mine - William Chapman
The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...
MinuteEarth
How This River Made Chimps Violent
When a group of apes got split apart, slight differences in their new environments led to big differences in future generations.