Scientific American.com
How the new FDA-approved ingredient bemotrizinol enhances sunscreen protection
Dermatologists and skincare aficionados are excited for the U.S. to finally get a new, more protective sunscreen filter after more than 20 years of regulatory roadblocks. Here’s how bemotrizinol works
How math's 'hairy ball theorem' could explain bad hair days
An idea from topology explains why you can never get rid of your cowlicks—and, oddly enough, it’s critical in nuclear fusion
Americans’ trust in the CDC has plummeted since 2025, new poll finds
A mere 12 percent of Americans say they trust the U.S. Centers for Disease Control and Prevention’s recommendations “a great deal”
NASA reveals astronauts who will fly Artemis III, its next step toward a moon landing
NASA’s Artemis III crew includes three NASA astronauts and one European Space Agency astronaut
Inside the new Siri AI and the privacy paradox of Apple Intelligence
To run errands across apps, Apple’s upgraded assistant needs deep access to personal data that the company has walled off for years
Resistance training may boost longevity. But how much do you need?
Weight lifting and other forms of resistance training can increase bone density, lower diabetes risk and boost mental health
Rare meteorite might be a relic from a ‘lost world’
Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the solar system’s early history
Genital herpes tests are notoriously unreliable, but better ones are in the works
The best blood test for herpes is only available at a single lab. What would it take for that to change?
Spotted lanternflies’ love of cities may be the secret to their invasion success
These eye-catching insects offer a prime opportunity for scientists to dig deep into invasion ecology and evolutionary biology
The asteroid that killed the dinosaurs may have sparked millions of years of hydrothermal life
When asteroids slam into Earth, they can create hydrothermal vent systems
‘Odd’ Gulf of Mexico earthquake rattles Florida and Cuba
This earthquake may be among the biggest in the Gulf of Mexico’s history
The Philippines earthquake is the largest this year, but it could’ve been bigger—here’s why
The magnitude 7.8 earthquake that hit the Philippines happened at a subduction zone. Such places are capable of producing the largest earthquakes possible
NASA’s astronauts will wear a Prada-designed onesie to keep cool on the moon
On Sunday Axiom Space and Prada unveiled the cooling inner garment that NASA’s Artemis astronauts will wear under their space suits on the moon
Increase in wildfire-driven ozone pollution linked to premature deaths across the U.S.
Smog from wildfires is getting worse across much of the U.S., according to a NASA-funded study
Why GLP-1 drugs might reduce cancer risk
A new wave of research links GLP-1 drugs to reduced cancer spread and better survival, and the mechanism may go beyond just weight loss
World Cup begins under health watch as new AI rules spark debate and ancient Rome’s road network expands
World Cup crowds spark outbreak tracking as AI tensions rise and ancient Rome’s roads get a stunning reboot
Can AI detect smuggled sea cucumbers?
In a new study, an AI tool identified images of seahorse, shark fin and sea cucumber samples in luggage
How math can help you decide what to order for dinner
An experiment with 2,520 participants backs Richard Feynman’s answer to every diner’s dilemma: do I want to try something new?
NASA’s X-59 plane goes supersonic for the first time
This experimental plane, which reached supersonic speeds yesterday, is designed to travel faster than the speed of sound without creating bothersome sonic booms
How prediction markets could forecast the future of science
Online prediction markets are taking bets on everything from climate change to quantum computing. But researchers question their accuracy
