You've heard of the battle of the sexes—but these 7 animal species take it pretty seriously. Join Michael Aranda for a new episode of SciShow and learn about these animals with pretty big sex-related disputes.

Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!

Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness. Hosted by: Michael Aranda

If it smells like delicious buttered popcorn when you are in a middle of the forest, it’s not because there’s a movie theater nearby, but Binturongs, arboreal carnivore, might be.

Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.

Squeaks and Mr. Brown saw some really cool birds while they were birdwatching at The Fort, so they’re revisiting old videos to remind themselves about a bunch of really cool birds!

In 1998, a school district removed one of American literature's most acclaimed works from its curriculum. Parents pushing for the ban said the book was both "sexually explicit" and "anti-white." The book at the center of this debate was...

Only 14 percent of engineers in the U.S. are women and just a fraction of that are Native American. April Walker, a Native American engineer in Fargo, North Dakota, gets beyond the numbers by focusing on the technical skills and...

According to the Church of Sweden, it's preferable not to refer to God as a "he." The official decision to use gender-neutral language will be a change in the way that many Swedish churchgoers worship -- and one that has divided the...

Sex is complicated for different reasons in different cultures. But, it's the entire purpose of life, so there's no reason to blush. In this episode of Crash Course Psychology, Hank talks about Kinsey, Masters and Johnson, Sexuality,...

We've all seen those animals, "Oh my gosh! It's so cute! I just want to cuddle with it!" Well stop it right now! Remember, that little cutie is a wild animal, so no cuddling. Also, you'll want to make sure it's not one of these ten...

Mr. Andersen describes the virtual fly lab. Software at sciencecourseware.org allows for multiple matings and statistical analysis.

It's a beautiful day, so Squeaks is going to go on a hike! And he's bringing his trusty field journal so he can take notes on all of the plants and animals he sees along the way!

How exactly does gender work? It's not just about our chromosomes, says biologist Karissa Sanbonmatsu. In a visionary talk, she shares new discoveries from epigenetics, the emerging study of how DNA activity can permanently change based...

What mammal has the social life of an insect, the cold-bloodedness of a reptile, and the metabolism of a plant? Bald and buck-toothed, naked mole rats may not be pretty, but they are extraordinary. Thomas Park explains how mole rats'...

You might not know this: Many of the medicines we take -- common drugs like Ambien and everyday aspirin -- were only ever tested on men. And the unknown side effects for women can be dangerous, even deadly. Alyson McGregor studies the...

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...

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.

Alice Dreger works with people at the edge of anatomy, such as conjoined twins and intersexed people. In her observation, it's often a fuzzy line between male and female, among other anatomical distinctions. Which brings up a huge...

Aphids can reproduce incredibly fast: they can make 20 new generations within a single season. And that means lots of poop. Some aphid populations can produce hundreds of kilograms of poop per acre— making them some of the most prolific...

Paul Andersen explains how the behavior of various organisms is shaped by natural selection. The action of phototropism and the timing of photoperiodism have both been shaped by the relative availability of light. Courtship in the...

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.