Articles by

Tina Hesman Saey

Bird flu viruses may pack tools that help them infect human cells

Bird flu viruses may pack a little taste of home to help them adapt to life in...

Here’s why COVID-19 isn’t seasonal so far

The pandemic may no longer be a public health emergency, but plenty of my neighbors, friends and...

Here’s how tardigrades go into suspended animation

Researchers have discovered a molecular sensor that tells tardigrades it’s time to toughen up. The tiny eight-legged...

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...