Feds have a new teen pregnancy prevention plan: Fertility and ‘reproductive goals’

The Trump administration has a new plan for teenagers learning about pregnancy: Beginning this summer, it will steer millions ...

Investigating the definition of ‘woman’

Back on May 2, 2024, standing beside anti-trans activist Riley Gaines, Gov. Sarah Huckabee Sanders signed an executive order ...

What to know about testosterone replacement as Pete Hegseth pursues a ‘High-T Department of War’

Defense Secretary Pete Hegseth said he plans to test U.S. service members’ testosterone levels each year. This story was ...
Silicon Canals

Before it was named Ceratothoa famosa, Nico Smit’s photograph of the parasite staring from a fish’s mouth had already gone viral

Cymothoa exigua is a parasitic isopod that enters a fish through the gills, drinks the blood out of its tongue until the ...

Gad Saad, the doctor who diagnosed the West

About 10 years ago, I was quite sympathetic — empathetic, even — to the Black Lives Matter movement in its early days. That ...

Why a racing heart during perimenopause shouldn’t always be blamed on hormones — and when to seek help

A racing heart can be frightening at any age. Palpitations are common during perimenopause and may occur alongside hot ...
ZME Science on MSN

Fruit fly sperm is 40 times longer than human sperm and uses opposite lanes to avoid tangling

These insects probably have the largest sperm-to-body-size ratio. A male fruit fly’s sperm is nearly 40 times larger than ...

Explaining Sex to an Anthropologist

The president of the field’s leading professional association was asked about a polarizing topic—and showed that she doesn’t ...
Emporia Gazette

“Male” and “Female” Do Not Always Match XY and XX Chromosomes

This child has inherited normal XY chromosomes and the SRY region of the Y chromosome has triggered the gonadal tissue to develop into testes, as is normal.      Male hormones are called androgens, ...