Chemical plants create many of the materials found in everyday items, from the shoes you wear to the car you drive to the cell phone in your pocket. But the massive carbon footprint from chemical manufacturing is leading to climate...

SciShow News explains an ominous record that Homo sapiens just broke: the highest levels of carbon dioxide emissions, the leading factor in global warming. Hank explains what it means, and what we can do.

What drove David Sengeh to create a more comfortable prosthetic limb? He grew up in Sierra Leone, and too many of the people he loves are missing limbs after the brutal civil war there. When he noticed that people who had prosthetics...

Insects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still working on, and arguing about, how and when insect wings first came about.

As globalization and technological advances bring us hurtling towards a new integrated future, Ian Goldin warns that not all people may benefit equally. But, he says, if we can recognize this danger, we might yet realize the possibility...

Batch to batch, crust to crust ... In tribute to the beloved staple food, baking master Peter Reinhart reflects on the cordial couplings (wheat and yeast, starch and heat) that give us our daily bread. Try not to eat a slice.

Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action. Luckily, scientists can use brain organoids - pencil-eraser-sized masses of cells that function like...

Happy Pi Day! We are huge fans of homophones here at SciShow, so we put together a whole bunch of fun facts and tasty tips about PIES! Get it?!

Chemical engines can only move us through the solar system so quickly, but a faster method is being engineered right now that could get us to Mars in just 40 days!

A lot of humans need or want braces to fix their crooked teeth, but why do you never see a dog walking down the street with headgear? Our ancient ancestors and mac and cheese may be to blame!

In this video Paul Andersen shows conceptual thinking in a mini-lesson on testing causes.

T
ERMS:
Tests - a planned act that is done to learn
something
Cause - a thing that gives r
ise to an event
Support - t
o give...

In the 1800s, Wilhelm Kuhne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans?

If you've been wondering why we have butts, wonder no more! We have an answer for you.

Behind those funny animal videos, sometimes, are oddly human-like problems. Laurel Braitman studies non-human animals who exhibit signs of mental health issues -- from compulsive bears to self-destructive rats to monkeys with unlikely...

There’s nothing fun about getting a cavity! It can feel like there’s not much you can do to prevent them, but researchers are working on several ways to tackle their main cause so we can create a cavity-free world!

Accepting the 2007 TED Prize, Bill Clinton asks for help in bringing health care to Rwanda -- and the rest of the world.

A spinal cord injury can sever the communication between your brain and your body, leading to paralysis. Fresh from his lab, Grégoire Courtine shows a new method -- combining drugs, electrical stimulation and a robot -- that could...

SciShow Space shares four wonderful things that you probably use every day, all made possible by NASA technology.

An effective COVID-19 vaccine is just the first step in ending the pandemic, says global health strategist Johanna Benesty. In this illuminating talk, she explores the various barriers to "equitable access" -- making sure COVID-19...

It sure seems like some plants really don't want you hiking through their woods, but maybe your immune system is just overreacting.

Researchers are working hard to understand the mechanics of Alzheimer's disease and other forms of dementia. So, how close are we to finding a cure?

Evolution is a long, slow process - but sometimes, changes (often caused by humans) happen too quickly for a species to properly adjust. These scenarios are called evolutionary traps, and can lead species to make...

Whooping cough used to infect hundreds of thousands of people in the U.S. and kill thousands of children every year. Join us as we learn about the women who developed the vaccine that has since saved thousands of lives.

Get informed on the causes and risks of human papillomavirus, HPV, and how to protect yourself from the infection. -- At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100...