TED-Ed
TED-ED: Cannibalism in the animal kingdom - Bill Schutt
Until recently, scientists thought cannibalism was a rare response to starvation or other extreme stress. Well-known cannibals like the praying mantis and black widow were considered bizarre exceptions. But now, we know they more or less...
SciShow
Where Are All the Women with ADHD?
For a long time, most people saw ADHD as “a boy thing.” Today, that mindset has started to shift, but even now, studies report that males get diagnosed significantly more often than females. So, what’s going on?
SciShow
The Science of Men
Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science... bro... stuff.
TED-Ed
TED-Ed: Can you solve the frog riddle? - Derek Abbott
You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look...
SciShow
7 New Species Discovered in Cities
Scientists are discovering new species at the bottom of the ocean and deep in the rainforest, but there are also plenty of new animals being discovered in cities around the world!
SciShow
A New Male Birth Control?
Researchers have been studying a promising option for male birth control, and we've learned a bit more about how regeneration works in hydras!
MinuteEarth
Why Do Animals Eat Their Babies?
Sometimes, it makes sense for critters across the animal kingdom to chow down on their own young. ___________________________________________ FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic,...
MinuteEarth
The Actual Reason Men Die First
Because females often outlive males, behavior is often blamed - but there is a decent chance our sex chromosomes might be to blame instead.
MinuteEarth
MinuteEarth Explains: Battle of the Sexes
In this collection of classic MinuteEarth videos, we take a look at how deep the divide between males and females actually goes.
TED-Ed
TED-Ed: The wild sex lives of marine creatures | Luka Seamus Wright
On a reef in the Pacific Ocean, 17,000 camouflage groupers dart about in the cloudy water. It is, in fact, an underwater orgy— turned feeding frenzy. An orgy might seem like a rather flamboyant way to breed, but sex in the sea is a...
TED-Ed
TED-Ed: The last living members of an extinct species | Jan Stejskal
In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't...
Bozeman Science
X Inactivation
Paul Andersen explains how X inactivation works in mammals. This process was first described by Mary Lyon. Each cell in a female will have on activated and one inactivated X chromosome. This explains why almost all calico cats are female.
Crash Course
Animal Behavior - CrashCourse Biology
Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.
SciShow
Why Do People Go Bald?
How does balding work? Why does it happen? And why are men so much more likely to lose their hair than women? Quick Questions has the answers!
TED-Ed
TED-ED: Mating frenzies, sperm hoards, and brood raids: the life of a fire ant queen - Walter R. Tschinkel
In the spring, just after a heavy rainfall, male and female fire ants swarm the skies for a day of romance, known as the nuptial flight. Thousands of reproduction-capable ants take part in a mating frenzy, and for one successfully mated...
Bozeman Science
Selection
Paul Andersen explains the importance of selection in biology. Artificial selection occurs when humans choose traits that will be selected for or against. This has created the variety of domesticated animals and crops. He then describes...
SciShow
What If We Killed All the Wasps?
Unlike their friendly, flower-pollinating cousin, the bee, wasps are best known for stinging people, ruining picnics, and generally being jerks... so should we just totally get rid of them?
SciShow
The Truth About Cranberry and UTIs
If you have had a UTI before, maybe you've tried some cranberry juice or cranberry pills to ease the symptoms. Your mom suggested it, or even your doctor prescribed it, so it should work, right? But do you really know why cranberries are...
SciShow
Condor Females Don’t Need a Male to Hatch Chicks
For the first time, researchers have observed two cases of asexual reproduction in condors. And it also turns out that whales are much hungrier than we thought.
SciShow
Why Yapoks Need a Pouch for Their Junk
Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.
Bozeman Science
Advanced Genetics
Paul Andersen explains important concepts that can not be explained by simple Mendelian genetics. He begins with a discussion of polygenic inheritance and uses a simulation on height to show how a bell shape curve of phenotypes is...
TED-Ed
TED-ED: The surprising reasons animals play dead - Tierney Thys
From lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as a survival tactic. But how and why do animals do this? Tierney Thys explains how this curious behavior, known as tonic immobility or TI...
SciShow Kids
Why Do Birds Sing? Animal Science for Kids
It's spring where Jessi and Squeaks lives, and that means the air is filled with the sounds of birds singing! But have you ever wondered why birds sing and who they're signing to?