Scientific American.com

Studying Science, Medicine and Engineering at a Nanoscale at an M.I.T. Clean Room
We’re taking you inside MIT.nano, a clean laboratory facility that is critical to nanoscale research, from microelectronics to medical nanotechnology.
Urban Wildfire Smoke Sensors Miss Harmful Chemicals
As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods. Now scientists and officials are pushing for better detection
Fat Doesn’t Deserve Its Bad Rap
Fat is one of the most active, dynamic organs we have. Why can’t we learn to love it?
How Planetary Defenders Planned to Stop That City-Killer Asteroid
The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to soar as new observatories come online
As Noem Proposes Cutting FEMA, Disaster Response Will Fall to Local, State Authorities
Revelations that Trump's Homeland Security Secretary Kristi Noem plans to abolish or shrink the Federal Emergency Management Agency sent shock waves through state and local emergency responders
Rebel Doctor Evangelina Rodríguez Improved Lives and Courted Controversy on her Return to the Dominican Republic
Andrea Evangelina Rodríguez Perozo started innovative health programs on her return from France in 1925, but her advocacy for sex workers and contraception soon plunged her into controversy
Who Will Build the Next Giant Particle Collider?
The European physics laboratory CERN is planning to build a mega collider by 2070. Critics say the plan could lead to ruin
Mathematicians Find Proof to 122-Year-Old Triangle-to-Square Puzzle
A long-standing shape mystery has finally been solved
Rising Acceptance of Political Violence Promises Nothing Good for the U.S.
Left-leaning Americans at peaceful demonstrations are becoming more likely to believe that political violence will be necessary to save America
Why Letting Kids Find Loopholes in Rules May Help Their Social Development
A new study finds that when young kids find loopholes, or sneaky work-arounds, for instructions, they must apply advanced social and language skills
How Microplastics Get into Our Food
Kitchen items—sponges, blenders, kettles—are abundant sources of microplastics that we all consume
HHS’s Long COVID Office Is Closing. What Will This Mean for Future Research and Treatments?
The Office for Long COVID Research and Practice was instrumental in coordinating the U.S. government’s initiatives to treat, diagnose and prevent the mysterious postviral condition that affects millions of people today
Why These Tropical Trees Love a Lightning Strike
One species of tropical tree seems not only to survive lightning strikes but also to thrive because of them
Trump Cuts Threaten Universities, Could Lead to ‘Lost Generation’ of Scientists
Some conservative lawmakers are quietly urging the president to restore research funding as cuts threaten academic institutions in their states
Mini-Satellite Sends Encrypted Quantum Message a Record-Breaking Distance
Scientists in China have transmitted encrypted images a record 12,900 kilometers, paving the way for quantum messaging anywhere on Earth
Top Math Prize Recipient Wedded Algebra and Calculus to Found a New Field
Masaki Kashiwara, this year’s Abel Prize winner, co-founded a new field of mathematics called algebraic analysis
Courts Are Rejecting Politicized Attacks on Care for Trans Kids
Gender-affirming care attacked by right-wing groups is being reaffirmed by medical reviews and in the courtroom
How ‘Qudits’ Could Boost Quantum Computing
“Qudits,” the multi-dimensional cousins of qubits, could make quantum computers more efficient and less prone to error
‘Artificial Nap’ Could Provide Benefits of Sleep—Without Sleeping
Desynchronizing a monkey’s brain with electricity caused a performance boost