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: 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...
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...
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.
MinuteEarth
Dogs vs Cats: The Diversity Paradox
Different dogs look incredibly different - but that doesn't mean they are necessarily more diverse.
MinuteEarth
How To Go Extinct
Our new evolution simulator reveals that extinction often happens when conditions change quickly.
MinuteEarth
MinuteEarth Explains: Size
In this collection of classic MinuteEarth videos, we tackle the science of size.
MinuteEarth
I found the BEST coronavirus depiction (+ explanation)
Ever found a fantastic coronavirus illustration that led him to learn about viral attachment and entry.
MinuteEarth
The Extinction Happening Inside You
Our modern lifestyle and diet are leading to the extinction of parts of our microbiome, but we can use what we've learned from dealing with nearly-extinct macrobiota, like bald eagles, to understand the consequences and find solutions.
MinuteEarth
How The Modern World Tricks Our Bodies Into Hurting Themselves
The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.
TED-Ed
TED-Ed: How does a jellyfish sting? - Neosha S Kashef
You're swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you've been stung by a jellyfish. How do these beautiful gelatinous creatures pack such a painful punch? Neosha S Kashef details the...
MinuteEarth
Why Wolves Don't Chirp
Sounds that animals make can be really different, and it turns out that there's a reason why some species communicate with certain sounds.
TED-Ed
TED-Ed: Why are sloths so slow? - Kenny Coogan
Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and...
MinuteEarth
Dangerous Marshmallows?!
Burning a marshmallow can release more energy than detonating an equal mass of TNT...so why isn't a marshmallow as dangerous?
MinuteEarth
The Great Acceleration
We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.
MinuteEarth
Where Will The Next Pandemic Come From?
The most likely cause of the next pandemic will be the “spillover” of a disease from one of a select group of animals with particular immune system traits and interactions with humans.
MinuteEarth
The Freshwater Paradox
Even though less than 1% of Earth's water is freshwater, it's the home for 50% of fish species. This is the Freshwater Paradox.
TED-Ed
TED-ED: The threat of invasive species - Jennifer Klos
Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These...
TED-Ed
TED-Ed: Could we actually live on Mars? - Mari Foroutan
There's a lot of talk these days about when and how we might all move to Mars. But what would it actually be like to live there? Mari Foroutan details the features of Mars that are remarkably similar to those of Earth — and those that...