Many seahorse species have males with full-blown pregnancies. But in order to do this, their immune system is missing something kind of important.

In this collection of classic MinuteEarth videos, we dive into one of our favorite topics, well at least our #2: poop.

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.

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...

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...

How do fingerprints form? Even though many people think it's random, a lot of it has to do with your genes!

While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...

Several states have recently passed or considered strict limitations on abortion. Some of these laws are crafted in a way that misunderstands the nature of pregnancy and the risks of miscarriages. These laws leave room for women who have...

Science Kids Animal Parenting V1-0002

The video explores the fascinating world of birthing styles in different animal species, highlighting unique examples such as starfish self-birthing and the first-ever documented case of virgin...

Howcast - Learn how pregnancy affects epilepsy from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

At the San Diego Zoo, zookeepers and researchers constantly gauge the pandas' behavior to see how well they're doing.

At the San Diego Zoo, zookeepers and researchers are constantly gauging the pandas' behavior to see how well they're doing.

Also: zookeepers manage to get an ultrasound on a pregnant panda, and celebrate a panda's third birthday.

At the San Diego Zoo, zookeepers and researchers are constantly gauging the pandas' behavior to see how well they're doing.

Chinook is the only polar bear in the world that will participate in regular ultrasounds with her full cooperation - no anesthesia required.

Also: zookeepers manage to get an ultrasound on a pregnant panda, and celebrate a panda's third birthday.

"Currently (Chinook) is the only polar bear in the world, ever, that we can do regular ultrasounds on through training, with her full cooperation; there's no anesthesia, no sedation."

At the San Diego Zoo, zookeepers and researchers are constantly gauging the pandas' behavior to see how well they're doing.

There are many things to keep in mind when choosing your life partner. One such thing is the blood group. We don’t think of this at first, but differences in blood groups can lead to complications. More specifically, these problems can...

An animal foetus in the earliest stages of development - in humans, in the first eight weeks after fertilisation.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

A clear, yellowish fluid that surrounds the developing foetus in the amniotic sac within the mother's womb.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

The stage of development an organism goes through inside the womb, following the initial development of the embryo.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

See what's happening during different stages of pregnancy, as the baby changes from conception to birth. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use...

Born out of research into RADAR in World War Two, ultrasound has become one of the most important medical inventions. What is it, and how does it work? Biology - Being Human - Learning Points. Ultrasound was developed by Ian Donald in...