PBS
The Last Time the Globe Warmed
Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far)
TED Talks
Patricia Burchat: Shedding light on dark matter
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
SciShow
SciShow Quiz Show: We Eat Some Weird Stuff (Hank vs. Mike Falzone)
Longtime YouTuber and internet problem solver, Mike Falzone, goes head-to-head with Hank Green to see who is the true Quiz Show master!
TED Talks
TED: Why being respectful to your coworkers is good for business | Christine Porath
Looking to get ahead in your career? Start by being respectful to your coworkers, says leadership researcher Christine Porath. In this science-backed talk, she shares surprising insights about the costs of rudeness and shows how little...
SciShow
The Science of Tear Gas
There’s a lot of confusion about tear gases—what they are, what they do, and whether they can cause long-term harm. Here's what we know.
TED Talks
Lee Thomas: How I help people understand vitiligo
TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how...
SciShow
IDTIMWYTIM Equinox Stupid Latin
In this edition of IDTIMWYTIM, Hank explains why the common understanding of "equinox" is wrong, what the equinox actually is, and then rages a little against astronomers and their stupid confusing Latin terms.
SciShow
5 Times Scientists Gave Animals Drugs (and What They Learned)
It might seem like researchers give animals drugs just to make a good headline, but these experiments have taught scientists a lot.
SciShow
A Cancer Gene May Be More Friendly Than We Thought | SciShow News
Until now, researchers have assumed that healthy cells switch off the enzyme telomerase as a way to protect themselves from turning cancerous. But a new study suggests the enzyme may have a healthier role than we previously thought....
SciShow
Football, Dementia, and the Future of Sports
It’s not like anyone thought head injuries were good for people, but the long term effects of concussions has researchers, coaches, and doctors concerned about the extra risks of some popular sports.
SciShow
Why It's Good for COVID-19 Models to Be Wrong
As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...
TED Talks
TED: This is what democracy looks like | Anthony D. Romero
In a quest to make sense of the political environment in the united States in 2017, lawyer and ACLu executive director Anthony D. Romero turned to a surprising place -- a 14th-century fresco by Italian Renaissance master Ambrogio...
SciShow
Should You Worry About Caffeine Dehydrating You?
There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?
SciShow
The Ocean on Enceladus is Really Big
This week on SciShow Space News, Saturn’s moon Enceladus probably has a giant ocean covering the entire world. And the year-long mission to the International Space Station just hit its halfway point!
SciShow
The Very Real Consequences of Weight Discrimination
Weight discrimination has very real health consequences, especially when some of the most common perpetrators are medical professionals.
SciShow
The Science (and Dangers) of Booze in Humans
Many of us choose to enjoy the effects of alcohol, and we know that drinking too much is a bad thing, but what kinds of things can actually happen when you drink too much for too long?
SciShow
New Evidence for Planet 9! SciShow News
Astronomers have found more evidence for Planet 9, but another study has added another problem to our list of space travel problems.
SciShow
The Tiny Planet Revealing Gravity’s Big Secrets
Mercury’s path through our solar system is, well, a little eccentric, and some of its movements were a mystery astronomers couldn’t explain for a long time. Then, in the early 20th century, Einstein reran the numbers and proved a whole...
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
TED Talks
TED: Documentary films that explore trauma -- and make space for healing | Almudena Toral
TEDmakes a documentary films that explore trauma
Bozeman Science
Effects of Changes in Pathways
Paul Andersen explains how changes in the signal transduction pathway can affect organisms. He begins with a brief discussion of the tetrodotoxin produced by the California Newt and then explains how anthrax affects adenylate cyclase and...
TED Talks
Arunabha Ghosh: 5 steps for clean air in India
India's big cities have some of the worst air quality in the world. How can we fix this public health crisis? In an actionable talk, social entrepreneur Arunabha Ghosh lays out a five-step plan to put India on the path to cleaner, safer...
TED-Ed
TED-ED: Is radiation dangerous? - Matt Anticole
When we hear the word radiation, it's tempting to picture huge explosions and frightening mutations. But that's not the full story - radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much...