How Peaceful Crowds Turn Into a Deadly Crush
It doesn’t take stampeding or unruly behavior to result in massive tragedies like the one in Itaewon.
The Sci-Fi Dream of a ‘Molecular Computer’ Is Getting More Real
Chemists have long conceptualized tiny machines that could fabricate drugs, plastics, and other polymers that are hard to build with bigger tools.
A Caustic Shift Is Coming for the Arctic Ocean
Scientists have already begun to observe the ecological effects of acidifying oceans on sea life. The changes ahead may be more drastic.
Smaller Reactors May Still Have a Big Nuclear Waste Problem
A new generation of reactors promises a nuclear energy renaissance, but critics say the US needs to figure out what to do about its radioactive garbage first.
Welcome to the Great Reinfection
A repeat encounter with Covid used to be a rarity. But now that Omicron has changed the game, expect reinfections to be the new normal.
Can Disgusting Images Motivate Good Public Health Behavior?
Graphic images have long been tools of campaigns against smoking and STDs. Researchers want to know if they can work for infectious diseases like Covid.
Rising Food Prices Will Make Obesity Rates Worse, Not Better
When faced with food insecurity, studies show that people gravitate toward cheap, energy-dense meals that are bad for their health.
How Ants Inspired a New Way to Measure Snow With Space Lasers
Photons wander through snow like ants through a nest. That inspired a clever new NASA technique for measuring the fluffy stuff from orbit.
How to Fix the US Baby Formula Shortage
Importing formula will provide quick relief, but reforming the program that provides free formula to low-income families would help more in the long term.
This Startup Wants You to Eat Ground-Up Chicken Bones
A Finnish company says it has found a way to incorporate bone into ground chicken, lowering the production cost and environmental impact of the meat. But will anyone eat it?