Articles by

Tina Hesman Saey

Cancer screening and quitting smoking have saved nearly 6 million lives

Nearly 6 million deaths from five common cancers were avoided through prevention, early detection and better...

Some countries have eliminated malaria, but cases are growing elsewhere

The world has made progress toward eliminating malaria, with 44 countries and one territory (La Réunion) certified...

Male mosquitoes sometimes suck, too

Male mosquitoes may be nearly as bloodthirsty as females under certain conditions, new research suggests. That upends...

The discovery of microRNA wins the 2024 physiology Nobel Prize

An unexpected discovery about what made a tiny worm refuse to grow up has now led to...

HIV and illicit drugs are a bad mix. This scientist found an unexpected reason why

It was as a Ph.D. student that Dionna Williams realized the fundamental flaws in how medical science...

New COVID-19 booster shots have been approved. When should you get one?

Meghan Rosen is a staff writer who reports on the life sciences for Science News. She...

Why mpox is a global health emergency — again

For the second time, the World Health Organization has declared that mpox, formerly called monkeypox, is a...

Getting drugs into the brain is hard. Maybe a parasite can do the job

A mind-bending parasite may one day deliver drugs to the brain. Toxoplasma gondii is a single-celled parasite...