Eating less protein could help you live longer
While “protein maxxing” is all the rage, reducing your protein intake could add years to your life
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Scientific American
Science journalism from Scientific American
Science · 532 articles · page 13 of 15 · fetched about 1 hour ago
How to surf on Saturn’s moon Titan
Lakes of liquid methane on Titan, Saturn’s largest moon, could offer exhilarating—and terrifying—opportunities for…
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Secret eruption offers tantalizing glimpse of underwater volcanoes
Frothy rock floating on the ocean near Papua New Guinea is the sign scientists needed that, hidden from view, an…
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The untold science and drama of Lewis and Clark’s expedition
Historian Craig Fehrman unpacks the science, politics and human stories behind one of America’s most famous expeditions
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How flowers shaped the world as we know it
David Haskell brings readers through millions of years of botanical history for his latest book, How Flowers Made Our…
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Chilean mummies reveal a lost lineage of smallpox
Centuries-old DNA that was found in these mummies belongs to an extinct viral lineage of smallpox that was brought…
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Everyone alive may carry DNA from a ‘ghost lineage’ of human ancestors
Scientists analyzing modern genomes may have found a long-lost branch of the human family tree
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3 charts show how extreme heat is costing us hours of lost sleep
The U.S. has been pummeled with heat waves this summer. Here’s how hot overnight temperatures can get in the way of a…
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Spacecraft will swarm asteroid Apophis during fateful 2029 Earth flyby
Space agencies around the globe are coordinating missions to visit the asteroid Apophis during a close encounter with…
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Bizarre new material discovered in Hiroshima bombing debris
The extreme conditions of atomic bomb explosions create “uncontrolled microexperiments” that, in Hiroshima, forged a…
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Hundreds of ancient, never-before-seen ‘earthworks’ discovered in the Amazon
Many of these structures date to around C.E. 100–300, during the time of the Aquiry civilization, and may have been…
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A unique cellular trick may explain octopus intelligence
A newly discovered change in ribosomal RNA makes protein production more precise, potentially safeguarding these…
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Astronomers spot best-yet example of a wandering supermassive black hole
Giant black holes adrift in deep space are normally invisible—unless they’re dining on stars
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Rescue mission to save NASA’s Swift space telescope is imperiled in orbit
A private spacecraft launched to boost the decaying orbit of NASA’s Swift Observatory is now suffering from potentially…
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Neuroscientists pinpoint how smells bring back childhood memories
Smell can bring back vivid childhood memories—the so-called Proust’s madeleine phenomenon—and neuroscientists now think…
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Avocado flowers switch sex daily—now we know why
New work explains how avocado trees coordinate a complex reproductive strategy, switching every day between male and…
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The ultimate science summer reading list
SciAm books editor Bri Kane shares her favorite science books for every summer mood
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Math’s acclaimed ‘einstein tile’ finds a new home among physicists
Discovered by an amateur mathematician in 2022, this strange construct can tile an infinite surface without repeating.…
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Why Einstein's theories of relativity make time travel possible
Physicists, mathematicians and philosophers have been exploring the possibility of going forward to the future or back…
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How mental exhaustion changes the choices you make
Neuroscientists show how the brain weighs effort against reward when we're mentally fatigued
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What caused the magnitude 6.8 earthquake in Japan?
This quake, which has caused damage to several roads and buildings, occurred along a strike-slip fault
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Scientists get best-yet glimpse of Betelgeuse’s companion star
After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star…
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Has NASA already found life on Mars?
In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front…
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Can bees sense magnetic fields?
Magnetoreception is one of the most controversial animal senses. And several bee species might have it
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The best science books to read this summer, according to Scientific American editors
From ecohorror to science-inspired poetry, discover the books Scientific American staffers are recommending this summer
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550 years later, scientists claim to have solved what killed Botticelli’s muse
Italian Renaissance painter Sandro Botticelli painted Simonetta Vespucci as Venus rising from the waves. Now scientists…
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The math of traffic jams and how to avoid them
When the roads get crowded, many drivers start changing lanes. Mathematics suggests this intuition is typically wrong
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SpaceX launches Starship on successful test flight
Starship demonstrated key abilities on its path to becoming a fully reusable transport to take astronauts to the moon
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Fungus-made fashion—researchers turn living organisms into textiles
This biodegradable textile is alive and can host engineered microbes that can change its color or add UV protection
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NHTSA considers new car door safety rules after fatal Tesla crashes
After fatal crashes in which occupants or rescuers could not open Tesla doors, federal regulators are considering rules…
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When will the cyclosporiasis outbreaks end?
Thousands of people have gotten sick from Cyclospora. Experts can’t agree whether the end is in sight
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Europe’s heat waves are killing thousands—and wringing its soils dry
The European continent is facing a dual reckoning this summer—extreme heat is killing thousands and draining its…
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How a 99-year-old mathematician unraveled a century-old braid mystery
Joan Birman popularized the Burau representation problem decades ago. Now she and two colleagues have a proof that…
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Is it possible to regain a sense of smell? These scientists are working on it
Smell is one of the most complex and least understood senses
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The Rubin Observatory’s greatest legacy will be this ‘movie’ of the sky
Using the new Vera C. Rubin Observatory, astronomers are beginning the largest and deepest survey of the sky. What will…
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Sunlight benefits and risks: what science says about healthy sun exposure
Could sunlight actually improve your health? New research suggests we may need to rethink total sun avoidance
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