A Battle Is Brewing Over Whole Milk
In December, a scientific committee concluded two years of intensive research on what Americans should be eating by saying that…
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Daniel Yon Explains Why Your Brain Is a Brilliant Illusionist
Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. You probably think you’re listening to my voice right now….
Frances Glessner Lee, the Mother of Modern Forensic Science, Made Crime Scene Dioramas
Frances Glessner Lee discovered her true calling later in life. An heiress without formal schooling, she was in her 50s…
Future Martians will need to breathe. It won’t be easy
Asteroid impacts, microbes, mining: These are a few tactics engineers might one day use to create an Earthlike atmosphere on…
Octopus arms are adaptable but some are favored for particular jobs
All eight arms of an octopus can be used for whatever their cephalopod owner wishes, but some arms are favored…
Crystallized dino eggs provide a peek into the tumultuous Late Cretaceous
Crystals hidden inside dinosaur eggs at a famous fossil site are giving scientists a chance to do something that’s long…
What You Should Know About the ‘Kissing Bug’ Disease
Millions of people around the world are estimated to have Chagas disease, a potentially fatal, parasitic illness that can lie…
Is There Life on Mars? This Rock May Hold the Answer
September 9, 2025 4 min read This Rock May Hold Proof of Life on Mars The Perseverance rover’s new findings…
How to Tell If Your Outdoor Air Is Safe
When George Thurston leaves his cottage in the woods of Waccabuc, N.Y., to head for work, a pollution monitor clipped…
AI Is Revolutionizing Health Care. But It Can’t Replace Your Doctor
The next time you get a blood test, X-ray, mammogram, or colonoscopy, there’s a good chance an artificial intelligence (AI)…