Hank briefs us on the news that a team of biologists has developed the first contraceptive for males that is totally effective, easily reversible and doesn't mess with your hormones!

Puberty is an awkward time for just about everybody, but for transgender teens it can be a nightmare, as they grow overnight into bodies they aren't comfortable with. In a heartfelt talk, Norman Spack tells a personal story of how he...

Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...

What happens if you eat too many raw eggs? What are those little rods sticking out of airplane wings? All this, and more as Nicole Sweeney, host of Crash Course Sociology, faces off against Hank in an episode of the SciShow Quiz Show.

We humans might think that flowers are pretty good gifts for a first date, but many insects have their own nuptial gifts, and well, flowers they ain't.

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When you poop sugar, clone yourself and give birth to pregnant babies, you know your survival skills are off the hook...and that you must be an aphid.

In the animal kingdom, monogamy is rare and cheating is common, even among seemingly faithful species like the superb fairy wrens. This video explores the biological reasons behind infidelity in birds, highlighting how mating strategies...

This week on the show Dr. Lindsey Doe, host of Sexplanations, walks us through a history of cases that have altered our understanding of gender identity. Then Jessi from Animal Wonders joins the show with Kiki, a domestic cat.

We used to believe that our ancestors had clear roles: Men hunt, women gather. But new evidence suggests that some of the earliest big game hunters were women.

Bears are known for scratching their backs on trees, but it turns out that they might be using trees as a dating app.

There are estimated to be over 18,000 different bird species with a wide variety of nest shapes and sizes. From teeny, adorable cups to massive compost mounds, the diversity of birds’ nests is definitely impressive. Chapters 1 BALD...

So how do astronauts manage to pee and poop in microgravity? And what happens to all of their waste? Do you really want to know? If you do, the answers are inside!

Genitals are the fastest-evolving organs in the animal kingdom. But why is this so? And what's the point of having decorative private parts? Menno Schilthuizen explains how the evolutionary biology of nature's nether regions uncovers a...

You might consider humans or beavers to be the best engineers on the planet, but these 5 other animals go to great lengths to put our houses and dams to shame. Chapters SOCIABLE WEAVER 0:38 GREAT BOWERBIRD 2:13 PUFFERFISH 3:39 4 ORIENTAL...

Where are all the women and girls in film? Social scientist Stacy Smith analyzes how the media underrepresents and portrays women -- and the potentially destructive effects those portrayals have on viewers. She shares hard data behind...

SciShow News shares the latest science headlines, including a newly-found butterfly that’s half male and half female, and new insights into the association between cancer and … breathing.

Women own 39 percent of all businesses in the US, but female entrepreneurs get only two percent of venture funding. What's causing this gap? Dana Kanze shares research suggesting that it might be the types of questions start-up founders...

Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be

Female hyenas don't have penises, but it sure looks like they do - and we still aren't quite sure why.

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It's finally spring where Jessi and Squeaks live! Join them as they take a look back at some of their favorite springtime subjects like why it rains, how plants grow, and all the amazing bugs you can find in the spring!

They're probably the most successful birds in the history of birds. But what do you really know about pigeons? Hank shares three weird facts about the birds, from their amazing chick-raising trick to their history of heroism in wartime.

NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.

Ever wonder what it looks like from a birds-eye-view? Hank explains they see more than you think!

What do we really know about mosquitoes? Fredros Okumu catches and studies these disease-carrying insects for a living -- with the hope of crashing their populations. Join Okumu for a tour of the frontlines of mosquito research, as he...