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How long should humans live?

1 month ago

We're addicted to social media. How do we get sober?

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Christina Applegate says she was misdiagnosed with MS-it happens more than you might think

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The mathematical impossibility of making a perfect world map

11 hours ago

Scientists left in the dark by National Science Foundation grant application delays

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Some 'white' dwarf stars actually shine green, pink or purple

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The brain doesn't process emotion the way we thought

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Our love-hate relationship with social media

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Science surprises, from honeybees to microplastics

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Can AI predict whether you'll die from cancer from just an image of your face?

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The Selfish Gene, revisited

16 hours ago

A Russian satellite is stalking a U.S. spacecraft in orbit. Experts are worried

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It's Time to Stand Up for Science

2 months ago

A decade after Theranos imploded, here's what scientists want you to know

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Math Puzzle: Baby bottle mix-up

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Biohackers claim this supplement lets you drink coffee at night. No one knows if it's safe

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November 2026 - Issue

19 hours ago

Sign up for the New Issue Alert

5 months ago

Why we probably live in a multiverse

19 hours ago

The provocative new theory that could explain aging and disease

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The first mission to sample Mars's moons launches today

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This year's flu season is starting early. Does that mean it will be more severe?

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Inside the bold, quixotic quest to store planet-warming carbon in the ocean

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How many planets could fit in the solar system?

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OpenAI's blockbuster math proof isn't what you think it is

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How do you test a nuclear arsenal without blowing it up?

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Honeybees deemphasize potential 'misinformation' in their waggle dances

5 days ago

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5 months ago

Scientists just voted to redefine how the world keeps time

5 days ago

AI's power boom is giving the transformer a high-tech makeover

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Japan launches a probe to collect rocks from Mars's moon Phobos

1 day ago

How uncertainty breaks the brain

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What was SciAm writing about 50, 100 and 150 years ago? Life on Mars and justice for crabs

17 hours ago

Plants move to get away from their decaying brethren

3 days ago

Poem: 'Life in Bilateral Wonder'

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See how uranium enrichment really works

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An ancient Chinese math puzzle shows how to win at cards, horse races and gerrymandering

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These extreme cosmic explosions are breaking physics

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Science crossword: Scroll bars

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New 'First Proof' exam reveals how AI-powered math is a pay-to-play sport

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Scientists can't figure out what makes ultraprocessed foods unhealthy

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Readers respond to the June 2026 issue

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Earth's 'life support systems' are breaking down, climate scientists warn

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Are we addicted to our phones? Why you can't stop scrolling

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Feverish after a vaccine? The reason could be your gut microbiome

11 days ago

Do women hit a biological 'cliff' at menopause?

7 days ago

Google's quantum Willow chip may be able to grow 'magic states'

5 days ago

Is the AI mathocalypse coming for encryption next?

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Lettuce engineered to produce meat proteins

8 days ago

Should we turn the Red Planet green?

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Could this ancient shipwreck be the oldest ever found?

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5 ways to make Halloween decorations friendlier to wildlife

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Mathematicians invented a knitting stitch that stops mistakes from spreading

12 days ago

The 'Kelvin wave' hitting California is a potent warning about sea-level rise

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Hurricane Isaias just set a new record for late-arriving Atlantic storms

12 days ago