All Stories
- Tech
Robot swarm takes many shapes
One Kilobot is not very smart. But 1,000 can follow simple instructions to assemble into multiple shapes without human intervention.
By Andrew Grant - Life
Gut bacteria may prevent food allergies
In mice, gut bacteria blocked food from seeping out of the intestines and triggering an immune reaction in the bloodstream.
By Meghan Rosen - Animals
Magpies don’t like shiny things
Magpies’ reputation as thieving birds that will steal shiny objects is all wrong, a new study finds.
- Chemistry
Liquid salts break through armored bacteria on skin
Compounds called ionic liquids can penetrate bacterial biofilms on skin to deliver antibiotics to potentially life-threatening infections.
By Sam Lemonick - Health & Medicine
States’ pot laws linked to drug overdose death rates
Death rates from drug overdoses appear to be lower in states with medical marijuana laws.
- Animals
Antarctic midge sports tiniest insect genome
Antarctic midge‘s genetic minimalism achieved by skipping a lot of repetitive stretches.
By Susan Milius - Animals
Corals, fish know bad reefs by their whiff
Compounds drifting off certain overgrown seaweeds discourage young corals and fish from settling in failing reefs.
By Susan Milius - Materials Science
Greener water splitter for hydrogen fuel designed
A new gadget that runs on a single AAA battery might truly reduce the carbon emissions from hydrogen fuel cell production down to zero.
- Psychology
Hypothesis on evolution of PMS attracts hostility
A new hypothesis states that PMS is evolutionarily useful for making women leave an infertile partnership. But other scientists question whether the hypothesis is reasonable or, in fact, even necessary.
- Anthropology
Richard III ate like a king before biting the dust
King Richard III’s brief reign included a sudden shift to eating fancy food and drink.
By Bruce Bower - Animals
Bumphead parrot fish declare their arrival with a crunch
Months of swimming with the coral-biter bumpheads exposes the animal’s extreme digestion and also a conservation dilemma.
By Susan Milius - Life
New gut-dwelling virus is surprisingly common
It’s not clear yet whether the bacteriophage crAssphage, found in people’s intestines, has any health effects.