Scientific American.com
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 think they’ve solved how she died
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
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
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
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 that would require obvious mechanical releases—but any new standard could take years
When will the cyclosporiasis outbreaks end?
Thousands of people have gotten sick from Cyclospora. Experts can’t agree whether the end is in sight
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 rivers, soils and reservoirs at a record pace
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 reveals brand new insights into the geometry of braids
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
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 they see?
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
How lost shipping containers helped map the world’s ocean currents
Thousands of shipping containers vanish every year—what becomes of them?
Ancient geology could insulate Iran’s nuclear centrifuges under Pickaxe Mountain from bombing
Iran’s Pickaxe Mountain, or Kuh-e Kolang Gaz La in Persian, is part of a volcanic arc that formed tens of millions of years ago and is made of a tough-to-penetrate rock
Transplanted testicular tissue grew sperm in an infertile patient
The history of testicular transplants is long and often sordid, but this successful procedure offers hope for survivors of cancer and other diseases that affect fertility
Why environmental groups are suing over SpaceX’s land swap deal
If approved, this deal would give SpaceX hundreds of acres that are currently part of the Lower Rio Grande Valley National Wildlife Refuge in exchange for private land
Why don’t insects live in the ocean?
Nobody knows why insects aren't found living in the ocean. Scientists just eliminated one theory
Humans may have spoken 10 times as many languages 2,000 years ago
During a lost ‘golden age’ of language, humans may have spoken tens of thousands of different tongues, a new study suggests
Why Tom Hiddleston finds Pompeii so haunting—and so human
Actor Tom Hiddleston reflects on the first time he visited Pompeii as a teenager and explains why the ancient city’s preserved tragedy continues to shape his understanding of history and humanity
China’s Kimi K3 and the rise of open-weight AI models
Moonshot AI’s Kimi K3 shows how opening a model to outsiders can turn other companies’ computing power into a competitive advantage
2026 Fields Medals go to four young mathematicians
The 2026 Fields Medals recognize breakthroughs in the math of messy fluids, tangled knots, spinning pencils, and more
