Instructional Video6:02
SciShow

Why Do We Keep Planting Trees That Smell Like Semen?

12th - Higher Ed
What's that awful smell? Cat urine? Semen? Rancid butter? Possibly one of these gorgeous city trees?
Instructional Video2:48
MinutePhysics

Evolution vs Natural Selection

12th - Higher Ed
Evolution vs Natural Selection
Instructional Video3:23
SciShow

Why Are These Bees STABBING Plants?

12th - Higher Ed
Humans know a lot about bees, seeing as they impact both our ecology and our economy. But there's something about bumble bees that we totally missed until recently; a super weird and mysterious behavior that might give them a leg up in...
Instructional Video3:53
SciShow

Where Did Humans Come From?

12th - Higher Ed
Hank tells us about new and confusing discoveries in the field of Human Evolution.
Instructional Video10:25
TED Talks

Karen Bass: Unseen footage, untamed nature

12th - Higher Ed
At TED2012, filmmaker Karen Bass shares some of the astonishing nature footage she's shot for the BBC and National Geographic -- including brand-new, previously unseen footage of the tube-lipped nectar bat, who feeds in a rather unusual...
Instructional Video4:35
SciShow

Fish Pee: The Coral Reef Superfood

12th - Higher Ed
Fish consider the ocean their own personal toilet. Well, researchers found out that's not such a bad thing!
Instructional Video4:08
SciShow

When Two Species Mix

12th - Higher Ed
We often think of categories as fixed, with a species being a species no matter what. The thing is, life doesn’t have to follow our rules.
Instructional Video5:25
TED-Ed

TED-ED: Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

Pre-K - Higher Ed
Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on earth; another holds a secret that's behind some of the greatest breakthroughs in biology. They've...
Instructional Video5:03
SciShow

Two New Sauropods Generate Excitement and Controversy | SciShow News

12th - Higher Ed
One new fossil discovery helps shed some light on early titanosaur evolution, while another leads to some controversial claims about dicraeosaurs.
Instructional Video8:29
SciShow

5 Strange Cases of Animal Rain

12th - Higher Ed
You might want a really sturdy umbrella to dig into this video, because we’re discussing 5 animals that have a tendency to rain down from the sky and the reasons we think this might be happening!
Instructional Video9:20
SciShow

Taboos of Science

12th - Higher Ed
Hank discusses some of the taboos which have plagued scientific inquiry in the past and a few that still exist today.
Instructional Video4:20
SciShow

Today's Mass Extinction, and the First See-Through Animal

12th - Higher Ed
Are we in the middle of the 6th largest extinction event? What can we do? Let Hank explain and tell us about see-through animals!
Instructional Video4:49
SciShow

How Did the Milky Way Get Its Spiral?

12th - Higher Ed
Most galaxies that we know of are spirals, including the Milky Way, but how do they form and keep their shape over billions of years?
Instructional Video9:41
SciShow

10 Strange-Looking Prehistoric Animals

12th - Higher Ed
Take a close look at some of the strangest-looking animals evolution has created.
Instructional Video5:02
TED-Ed

TED-Ed: Why is it so hard to cure the common cold? | TED-Ed

Pre-K - Higher Ed
On average, adults catch more than 150 colds throughout their lives. Even with similar symptoms, the cause could be different each time. Common colds are caused by at least 8 different families of virus, each of which can have its own...
Instructional Video3:17
SciShow

The Sex Lives of Early Humans

12th - Higher Ed
Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.
Instructional Video13:28
Crash Course

Life Begins: Crash Course Big History

12th - Higher Ed
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
Instructional Video5:27
SciShow

The Most Extreme Complex Life in the World

12th - Higher Ed
Humans can’t go too far above or below sea level unaided, but there are some complex forms of life that CAN survive at super high elevations or in the deepest parts of the ocean.
Instructional Video13:18
TED Talks

TED: Where are all the aliens? | Stephen Webb

12th - Higher Ed
The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, he spells out the...
Instructional Video8:58
SciShow

Invasive Mussels and Heidi Sedivy: SciShow Talk Show # 16

12th - Higher Ed
Welcome back to SciShow Talk Show! This week we introduce our guest, Heidi Sedivy who will be talking about invasive mussels as well as Montana native mussels.
Instructional Video3:33
SciShow

This Animal Has a Retractable Anus

12th - Higher Ed
Most animals keep their poop chutes on the opposite side of their body from where they eat. But that doesn’t mean it’s always the case, and bryozoans are great examples of how creative you can get with where you put your anus.
Instructional Video3:20
MinuteEarth

Why do Some Species Thrive in Cities?

12th - Higher Ed
Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways.
Instructional Video4:49
TED-Ed

TED-ED: The three different ways mammals give birth - Kate Slabosky

Pre-K - Higher Ed
All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate...
Instructional Video8:56
SciShow

8 Crafty Plants That Have Mastered Deceit

12th - Higher Ed
While plants don't really have the thumbs required for high-end cosplay, here are a few that have made a career of looking like something they're not. Chapters View all SOUTH AFRICAN RESTIAD 0:37 COMMON LUNGWORT 1:39 PEBBLE PLANTS 2:36...