Scientists had no idea what type of organisms the life forms of the Ediacaran were—lichen, colonies of bacteria, fungi or something else. It turns out, the key to solving the puzzle of Precambrian life was a tiny bit of fossilized fat.

This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...

This episode is brought to you by the Music for Scientists album! Stream the album on major music services hereref='https://streamlink.to/music-for-scien....' target='_blank' rel='nofollow'>here Check out the “For Your Love" music...

This video was recorded on 12/8/2020. Hank and our content manager, Alexis, interviewed Dr. Howard Bauchner, the Editor in Chief of the JAMA network of medical journals. They discussed some of the surprising things that we've learned...

Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.

During a career that spanned more than two decades, Rickey Henderson was arguably the greatest leadoff hitter in the history of Major League Baseball and is officially the all-time leader in stolen bases with more than 1,400....

Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...

A bit of good news on the COVID-19 front this week: New research reveals a drug that might actually help save severely ill patients, and data suggests that distancing policies may have saved millions of lives over the last few months.

It has been two years since "The Dress" divided the internet. A Japanese psychology professor created the new mind-boggling image that has been making the rounds on the internet. Meanwhile, the new study shows the truth about sex...

Hank and our content manager, Alexis, interviewed Dr. Howard Bauchner, the Editor in Chief of the JAMA network of medical journals. They discussed some of the surprising things that we've learned since the beginning of the pandemic and...

This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...

Humans are not the only animal that use cheats to make things easier. Some of the animals and plants have weird but very clever cheating skills to survive in their environment, too.

Steroids: they're infamous for their use in sports. But they're also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these medicines aren't the same as those used to build muscle....

Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.

You've heard about them, but do you how they work? Or why they suck? Hank explains the science behind performance enhancers, including steroids, blood doping, and that stuff supposedly made out of deer antlers. You'll never look at...

What's both edible, and capable of sending you an email to let you know there's explosives nearby? Spinach! Well, spinach with some nanotechnology embedded within it. Learn how Popeye's favorite veggie is involved in the field of plant...

Howcast - Learn the truth about whether bodybuilding champions all use steroids from expert Skip La Cour in this Howcast bodybuilding video.

Howcast - Learn which steroids are legal and which are illegal from expert Skip La Cour with this Howcast bodybuilding video.

Howcast - Learn how to live with Crohn's Disease from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.

Howcast - Learn which medical treatments cause weight gain in this Howcast video about obesity.

Howcast - Learn how steroids affect sperm count in this Howcast video about infertility.

The endoplasmic reticulum is one important organelle in the cell responsible for many things including protein folding. In this video, we will cover its structure and function of the rough endoplasmic reticulum and smooth endoplasmic...

Many people with bipolar disorder know their triggers, but what about those who experience mania with no diagnosis? In this video, we explore the surprising and sometimes overlooked causes of mania and how they can be detected and managed.

Cholesterol biosynthesis is divided into 4 general stages. This video diagrams stages 1 and 2 in which the isoprenes, dimethylallyl pyrophosphate (DMAP) and isopenten