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U.S. FDA may nix black box warning on some menopause estrogen treatments

If a panel convened by the U.S. Food and Drug Administration has its way, a health risk...

A child’s biological sex may not always be a random 50-50 chance

Some people may be predisposed to having children of just one sex. That’s the conclusion of new...

‘Rehab’ exposes the dark underside of U.S. drug treatment centers

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

Math puzzle: Can you meet me at the mall?

You and a friend have arranged to meet at a popular downtown mall between 3 p.m....

Einstein Showed That Time Is Relative. But … Why Is It?

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.)...

What to know about the extreme U.S. flooding — and ways to stay safe

July has washed across the United States with unusually destructive, deadly torrents of rain. In the...

Some penguins save energy by riding ocean currents

Sometimes, the best thing for a penguin is to go with the flow. Magellanic penguins change their...

A dog’s taste for TV may depend on its temperament

Maybe your Pomeranian is a little too into The Secret Lives of Mormon Wives. Your pit bull...

How hot can Earth get? Our planet’s climate history holds clues

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s...

Where Are All the AI Drugs?

A new drug usually starts with a tragedy.Peter Ray knows that. Born in what is now Zimbabwe,...

Can US Measles Outbreaks Be Stopped?

The US is experiencing its worst year for measles in over three decades, with more than 1,300...

A newly discovered cell helps pythons poop out the bones of their prey

Burmese pythons and other carnivorous snakes are well-known for swallowing their prey whole. But what comes out...
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