TED Talks
Jen Gunter: Why can't we talk about periods?
"It shouldn't be an act of feminism to know how your body works," says gynecologist and author Jen Gunter. In this revelatory talk, she explains how menstrual shame silences and represses -- and leads to the spread of harmful...
Bozeman Science
Cellular Specialization
In this podcast Paul Andersen explains how cells differentiate to become tissue specific. He also explains the role of transcription factors in gene regulation. The location of a cell within the blastula ultimately determines its fate....
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...
Be Smart
Sonic the Hedgehog Is Why You Have Thumbs!
The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I...
TED-Ed
TED-Ed: Got seeds? Now add bleach, acid and sandpaper - Mary Koga
For a seed to start growing, its embryo must emerge from its hard coat. In nature the embryo is aided by frost and animal digestion -- but humans can help too. Nicking, filing, and soaking the seed in hot water or acid are all forms of...
SciShow
3 Amazing Photosynthetic Animals
Hank's love affair with plants takes a slight hit now that he's learned about several animal species that can photosynthesize. Fortunately, he's excited enough about these animals to share them with all of us! Let SciShow introduce you...
SciShow
Could You Get Pregnant in Space?
Researchers are already trying to figure out if people can make space babies. If we need to live in space long-term, will our species be able to reproduce?
Be Smart
How Your Body Knows Left From Right
This is part 3 of 3 in my series about how our bodies evolved to look like they do.
SciShow
Extreme Animal Cannibalism
Evolution doesn't care about ethics - it cares about surviving and getting your alleles out there as much as possible. From that perspective, cannibalism can seem like a pretty good idea to some creatures. Hank introduces us to three...
SciShow
How Pregnancy Is Like Growing an Alien Inside You
Pregnancy is quite a feat. The embryo manages to develop, get food, and get rid of their waste, all while staying under the radar of their parent’s immune system.
MinuteEarth
Why You Can't Build A Clone Army... (Yet)
Because of the way genetic reprogramming works, it’s hard to make one clone based on an adult cell, and it’s almost impossible to make a second-generation one.
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
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.
SciShow
Superfetation: When You Get Pregnant... Even Though You're Already Pregnant
The process of human baby making seems pretty straightforward: egg+sperm+time=baby. But hold on to your ovaries, folks! It’s pretty rare, but sometimes, days or weeks after a person gets pregnant, they can get pregnant again in a process...
TED-Ed
TED-Ed: How to make a baby (in a lab) - Nassim Assefi and Brian A. Levine
Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a...
SciShow
Why Can’t We Clone Endangered Species to Save Them?
We know how to clone animals, so why aren't we saving endangered species by cloning their populations?
Crash Course
Animal Development: We're Just Tubes - Crash Course Biology
Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.
Crash Course
Reproductive System, part 4 - Pregnancy & Development: Crash Course A&P
We've reached the grand finale of our four part series on human reproduction: BABIES! Today Hank walks you through the stages of pregnancy, beginning with how a zygote develops into blastomeres to a morula to a blastocyst and finally to...
SciShow Kids
What’s Inside a Bean?
Have you ever wondered how a tiny little seed grows into a plant? Well, there's a special kind of seed, one you've probably eaten before, that's big enough for you to open up and see how it works: a bean!
SciShow Kids
How Does A Seed Become A Plant?
Jessi and Squeaks show you how a tiny seed, like the kind you eat in your trail mix! Grows into a big plant!
Curated Video
Assisted Reproductive Technologies: Exploring Methods and Options for Conception
This video explores the miracles of Assisted Reproductive Technologies (ART) and the various methods and technologies available to help individuals and couples overcome infertility. From in vitro fertilization to third-party ART, the...
Curated Video
The Asian Aerospace Show: Showcasing Cutting-Edge Aerospace Technologies
The Asian Aerospace Show is a highly influential event that showcases the latest advancements in aerospace technology. With a strong military focus, the show attracts top aerospace companies and military delegations from around the...
Curated Video
Scientists Aim to Beat Cancer Before Birth: Screening Embryos for Genetic Diseases
In this London laboratory, scientists are using test tube techniques to screen embryos for genetic diseases, specifically focusing on inherited bowel tumors. By removing one cell from each embryo and screening it for the cancer gene,...
Curated Video
Embryo
An animal foetus in the earliest stages of development - in humans, in the first eight weeks after fertilisation. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Apoptosis
Programmed cell death, which is the body's normal method of disposing of damaged, unwanted, or unneeded cells. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...