Have you ever wondered why some twins look so alike and other siblings may not? Let’s explore how twins form in the womb and how they may grow up to be similar or different.

Most people have just one set of DNA throughout their body. But what happens to humans who are born with two sets?

Have you ever noticed that most people do not drink alcohol while pregnant? Let’s learn about why doing that is so important.

Mosquitoes are more than just a bother - in many cases, they can be dangerous. Arm yourself against mosquitoes with knowledge of their life cycle, the diseases they carry, and how you can fight them.

Growing cells outside our bodies in tiny plastic dishes might seem a bit complex. But scientists have been doing this for many years now. It has opened our eyes to the bustling life inside our tiny cells and has led to some life-saving technologies.

The Arctic is changing faster than many other ecosystems. This habitat is in danger, as are the animals that live there, and the peoples whose lives have always depended on the lands and food webs of the Arctic. One of the best ways to help save it is to learn more about it.

It's a gassy, microbe-filled world out there. How can we control or even use these gases for good? That's what Hinsby Cadillo-Quiroz is figuring out.

Pregnancy isn’t perfect, and many things can go wrong. What happens when a growing embryo is in the wrong part of the pregnant person's body?

Doctors place Intrauterine Devices (IUD) in the bodies of some females to help prevent pregnancy. Learn about how these devices work and how long they’ve been around.

Is there any way to prevent pregnancy after sexual intercourse? Learn about Plan B, an emergency contraceptive.