SciShow
Why Y Chromosomes Won’t Be Around Forever
We're generally taught that chromosomes determine an animal's sex, but it is way more nuanced than that.
Be Smart
Understanding Climate Science
Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lots of carbon dioxide in the atmosphere. Whether you already trust in the...
SciShow
5 Ways Humans Are Influencing Species Evolution
Evolution is a never ending process, but there are some cases where humanity has given it a big push.
SciShow
Electric Eels Bigger Than You Zap in PACKS
We’ve long thought that electric eels hunt individually…until we discovered a lake where one species hunt, and zap, in packs!
SciShow
10 Ridiculous Scientific Names
There aren't as many rules to naming a scientific discovery as you might think-- and that has led to some pretty outrageous names. Chapters HALORUBRUM CHAOVIATOR 1:10 OSEDAX MUCOFLORIS 1:43 HETEROPODA DAVIDBOWIE 2:58 SCAPTIA BEYONCEAE...
TED-Ed
TED-Ed: How smart are dolphins? - Lori Marino
Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino...
MinuteEarth
Why Most New Species Are Discovered By Amateurs
Most new species are discovered by amateurs because nowadays non-professionals are actually better suited to the requirements of new species “discovery.”
SciShow
Venomous Mammals, Sensory Receptors & the Moon's True Origin Story
Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...
SciShow
Thank Goodness for Bacterial Cannibalism
Some species of bacteria have a wicked survival strategy: killing members of their own species or a closely-related one. There’s a lot we don’t know about it, but it's possible that someday we could potentially harness that knowledge to...
PBS
When Rodents Rafted Across the Ocean
The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?
SciShow
Photosynthesis WITHOUT THE SUN
Plants need light to survive. But apparently, that doesn't have to be sunlight.
TED-Ed
TED-Ed: The most notorious scientific feud in history | Lukas Rieppel
After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to precious metals, they unearthed another treasure: dinosaur bones. Two wealthy scientists in particular— Othniel Charles Marsh and Edward...
SciShow
Facts about Human Evolution
Hank brings you the facts, as they are understood by scientists today, about the evolution of humans from our humble primate ancestors. On the way to becoming Homo sapiens, game-changing evolutionary breakthroughs led to the development...
SciShow
The Horrible Reason Rolly Pollies are Sometimes Blue
If you uncover a bunch of rolly pollies under a log, you don't expect to find a bright blue one crawling among all the usual grays and browns. But it turns out your fun surprise is some very bad luck for that terrestrial isopod.
SciShow
3 Surprising Ways Animals Use Saliva
To humans, drool can seem pretty disgusting, but other animals use saliva in surprising ways. Here are some of the weirdest ways other animals use their spit to survive!
Crash Course
Why Human Ancestry Matters: Crash Course Big History 205
This week, Emily Graslie is teaching you about human ancestry and geneaology, how we got to be the species we are, and why that matters in our zoomed out look at Big History.
SciShow
Intersex Across the Animal Kingdom
Do you think animals can be divided into two biological sexes: female and male? Well, it's way more complicated that that!_
TED Talks
TED: Clues to prehistoric times, found in blind cavefish | Prosanta Chakrabarty
TeD Fellow Prosanta Chakrabarty explores hidden parts of the world in search of new species of cave-dwelling fish. These subterranean creatures have developed fascinating adaptations, and they provide biological insights into blindness...
SciShow
How Smart Are Animals, Really?
Measuring 'intellect' is a difficult task. Check out one way scientists are attempting to make this endeavor more testable.
SciShow
Why Do Earthworms Come Out After It Rains?
Scientists come up with lots of possible reasons why rain triggers earthworms mysterious behavior: popping out of the soil and getting stranded on the ground.
TED Talks
TED: Could fish social networks help us save coral reefs? | Mike Gil
Mike Gil spies on fish: using novel multi-camera systems and computer vision technology, the TED Fellow and his colleagues explore how coral reef fish behave, socialize and affect their ecosystems. Learn more about how fish of different...
TED-Ed
TED-Ed: Can animals be deceptive? - Eldridge Adams
A male firefly emits a series of enticing flashes. He hopes a female will respond and mate with him. A female from a different species mimics his patterns: by tricking the male, she lures him in -- and turns him into a meal. Where else...
SciShow
How Neanderthals Ended Up With Human Chromosomes
This week we learned that the Neanderthal/Denisovan/Human family tree is pretty complicated, thanks to a close look into some Neanderthals' Y chromosomes.