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What is your favorite apple variety?

25 days ago

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

12 hours ago

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

2 hours ago

The mathematical impossibility of making a perfect world map

4 hours ago

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

8 hours ago

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

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The brain doesn't process emotion the way we thought

1 day ago

Our love-hate relationship with social media

12 hours ago

How many planets could fit in the solar system?

4 days ago

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

4 days ago

The Selfish Gene, revisited

10 hours ago

Honeybees deemphasize potential 'misinformation' in their waggle dances

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It's Time to Stand Up for Science

2 months ago

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

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Math Puzzle: Baby bottle mix-up

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Scientists just voted to redefine how the world keeps time

5 days ago

November 2026 - Issue

12 hours ago

Sign up for the New Issue Alert

5 months ago

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

1 day ago

The provocative new theory that could explain aging and disease

12 hours ago

Plants move to get away from their decaying brethren

3 days ago

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

4 days ago

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

12 hours ago

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

6 days ago

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

7 days ago

Why we probably live in a multiverse

12 hours ago

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

6 days ago

View all Discussions

5 months ago

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

12 hours ago

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

12 hours ago

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

6 days ago

How uncertainty breaks the brain

12 hours ago

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

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

4 days ago

Poem: 'Life in Bilateral Wonder'

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See how uranium enrichment really works

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5 ways to make Halloween decorations friendlier to wildlife

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These extreme cosmic explosions are breaking physics

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Science crossword: Scroll bars

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Do women hit a biological 'cliff' at menopause?

7 days ago

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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Lettuce engineered to produce meat proteins

8 days ago

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

1 day ago

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

12 days ago

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

5 days ago

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

12 days ago

Mathematicians marvel, and grumble, at OpenAI's trove of new results

12 days ago

Should we turn the Red Planet green?

5 days ago

The most exciting claims from OpenAI's heap of new proofs

12 days ago

Claude just found a CRISPR-like DNA pattern, but even Anthropic's scientists aren't sure what it does

6 days ago

Is the AI mathocalypse coming for encryption next?

5 days ago

Amateur astronomer harnesses AI to find a possible hidden exoplanet

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Stunning video captures a whole year of our sun's chaotic corona

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Could this ancient shipwreck be the oldest ever found?

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NIH appears to shut down comments on science peer-review rule change ahead of schedule

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Microplastics are linked to inflammation-scientists might have finally worked out why

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

11 days ago

Mathematicians invented a knitting stitch that stops mistakes from spreading

12 days ago