Articles by

Tina Hesman Saey

Fetuses make a protein that causes morning sickness in pregnancy

A surge of a hormone made by fetuses triggers the stomach-turning nausea and vomiting of morning sickness,...

Why Huntington’s disease may take so long to develop

WASHINGTON — Scientists have uncovered a clue about why it takes so long for Huntington’s disease to...

Most of today’s gene therapies rely on viruses — and that’s a problem

Will Ungerer isn’t a typical fourth-grader. The 10-year-old from Midlothian, Va., plays tag with his friends and...

Early mRNA research that led to COVID-19 vaccines wins 2023 medicine Nobel Prize

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

The antiviral drug Paxlovid reduces the risk of getting long COVID

The antiviral medication Paxlovid seems to reduce the chance of developing long COVID, researchers report. In a...

U.S. cases of a deadly fungus nearly doubled in recent years

A fungus that recently evolved to infect humans is spreading rapidly in health care facilities in the...

Why experts recommend ditching racial labels in genetic studies

Race should no longer be used to describe populations in most genetics studies, a panel of experts...

Fungi don’t turn humans into zombies. But The Last of Us gets some science right

Like so many others, I’ve been watching the HBO series The Last of Us. It’s a classic...