SciShow
How the White House Killed Two Presidents
Working in the White House in the 1840s may have been more hazardous than we thought.
SciShow Kids
Where Does Fog Come From? Weather for Kids
Fog might make things seem mysterious and spooky, but it's actually a cool natural phenomenon that happens when cold air affects the water in the air!
Crash Course
Perceiving is Believing - Crash Course Psychology
So what does perception even mean? What's the difference between seeing something and making sense of it? In today's episode of Crash Course Psychology, Hank gives us some insight into the differences between sensing and...
SciShow
Could Solar Panels in Space Solve all Our Energy Needs?
We need more solutions for our energy needs, and one idea is straight out of science fiction: Solar panels, in space.
SciShow
Here's What DNA Really Looks Like
There’s more to DNA than just the double helix we know and love: under some conditions this familiar molecule can take on unfamiliar forms, each of which can have a different impact on our health.
TED-Ed
TED-Ed: The twisting tale of DNA - Judith Hauck
What do a man, a mushroom, and an elephant have in common? A very long and simple double helix molecule makes us more similar and much more different than any other living thing. But, how does a simple molecule determine the form and...
TED-Ed
TED-Ed: Is fire a solid, a liquid, or a gas? - Elizabeth Cox
Sitting around a campfire, you can feel its heat, smell the woody smoke, and hear it crackle. If you get too close, it burns your eyes and stings your nostrils. You could stare at the bright flames forever as they twist and flicker in...
TED Talks
TED: A new way to study the brain's invisible secrets | Ed Boyden
Neuroengineer ed Boyden wants to know how the tiny biomolecules in our brains generate emotions, thoughts and feelings -- and he wants to find the molecular changes that lead to disorders like epilepsy and Alzheimer's. Rather than...
SciShow
Using Galaxy Clusters to Look Into the Past
Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground!
TED-Ed
TED-ED: Why is NASA sending a spacecraft to a metal world? - Linda T. Elkins-Tanton
In 2026, an unmanned NASA spacecraft is scheduled to arrive at 16 Psyche, a massive, metallic asteroid floating somewhere between the orbits of Mars and Jupiter. Why is NASA so interested in this heavy metal asteroid? Are we going to...
TED-Ed
TED-Ed: The murder of ancient Alexandria's greatest scholar - Soraya Field Fiorio
Dive into the life of one of Ancient Rome’s most powerful figures, Hypatia of Alexandria, a renowned scholar and political advisor to the city's leaders. -- In the city of Alexandria in 415 CE, the bishop and the governor were in a...
TED Talks
TED: The birds and the bees are just the beginning | Carin Bondar
Think you know a thing or two about sex? Think again. In this fascinating talk, biologist Carin Bondar lays out the surprising science behind how animals get it on. (This talk describes explicit and aggressive sexual content.)
TED Talks
Michael McDaniel: Cheap, effective shelter for disaster relief
Michael McDaniel designed housing for disaster relief zones -- inexpensive, easy to transport, even beautiful – but found that no one was willing to build it. Persistent and obsessed, he decided to go it alone. At TEDxAustin, McDaniel...
SciShow
Why Do We Sneeze
Everyone does it, but why? In this episode of SciShow Quick Questions you get the answers!
Crash Course
Interest Group Formation: Crash Course Government and Politics
So last week we talked about what special interest groups are and how they influence the political system, and today we’re going to focus on why we even have them in the first place. As to avoid getting too cynical, we’re going to focus...
SciShow
These Chimps Treat Each Other’s Wounds. With Bugs
Chimpanzees in Gabon have been observed using bugs as a possible antiseptic, but what's more surprising is that they're applying this remedy to one another in what may be a form of chimpanzee health care.
TED Talks
Suzanne Lee: Grow your own clothes
Designer Suzanne Lee shares her experiments in growing a kombucha-based material that can be used like fabric or vegetable leather to make clothing. The process is fascinating, the results are beautiful (though there's still one minor...
SciShow
Food Mold 101
It's a moldy world out there, especially in the kitchen. You have questions about food mold, right? Well Hank has your answers. Chapters View all FOOD MOLDS ARE MICROSCOPIC FUNGI 0:28 SPORE RELEASES ROOT THREADS 1:00 MYCELIUM BREAK DOWN...
Bozeman Science
Archaea
In this video Paul Andersen describes the defining characteristics of members in the domain archaebacteria. He starts with a brief description of the phylogeny of this group. He then describes the major characteristics on an archaea,...
TED-Ed
TED-ED: How do scars form? - Sarthak Sinha
It's hard to escape childhood without racking up a few scars. Why do these leftover reminders of a painful cut or crash look different from the rest of our skin? And why do they stick around for so long after the incident that caused...
Crash Course Kids
Wood, Water, and Properties
Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us...
SciShow
How Do You Make Memories?
What if you couldn’t remember anything past 30 seconds? Let us introduce you to a man named Henry Molaison who was diagnosed with anterograde amnesia. He couldn’t form new memories.
TED-Ed
TED-ED: How to understand power - Eric Liu
Every day, we move and operate within systems of power that other people have constructed. But we're often uncomfortable talking about power. Why? Eric Liu describes the six sources of power and explains how understanding them is key to...
SciShow
Flavor Science: What's Really in a Pumpkin Spice Latte
If you take a look at an ingredients list, odds are you'll find natural and artificial flavors somewhere in there. Turns out there's a whole science to making your pumpkin spice latte taste like pumpkin spice, or your potato chips taste...