News
- Microbes
Airplane sewage may be helping antibiotic-resistant microbes spread
Along with drug-resistant E. coli, airplane sewage contains a diverse set of genes that let bacteria evade antibiotics.
- Humans
In some languages, love and pity get rolled into the same word
By studying semantic ties among words used to describe feelings in over 2,000 languages, researchers turned up cultural differences.
- Life
Ocean acidification could degrade sharks’ tough skin
Nine weeks of exposure to acidic seawater corroded the toothlike denticles that make up a puffadder shyshark’s skin, a small experiment found.
- Science & Society
Installing democracies may not work without prior cultural shifts
Experts often argue over what comes first: democratic institutions or a culture that values democratic norms. A new study supports the culture camp.
- Space
A new mission to investigate exoplanets has rocketed into space
The European Space Agency’s CHEOPS satellite has launched on a mission to gather intel on previously discovered planets outside of the solar system.
- Life
Koalas aren’t primates, but they move like monkeys in trees
With double thumbs and a monkey-sized body, an iconic marsupial climbs like a primate.
- Archaeology
DNA from 5,700-year-old ‘gum’ shows what one ancient woman may have looked like
From chewed birch pitch, scientists recovered DNA from an ancient woman and her mouth microbes and hazelnut and duck DNA from a meal she’d consumed.
- Earth
Climate change may be why birds are migrating earlier across the United States
Birds are migrating earlier in recent decades in the United States, which could disrupt feeding or nesting cycles.
- Neuroscience
Mice watching film noir show the surprising complexity of vision cells
Only about 10 percent of mice’s vision cells behaved as researchers expected they would, a study finds.
- Health & Medicine
Surplus chromosomes may fuel tumor growth in some cancers
Extra copies of some genes on excess chromosomes may keep cancer cells growing. Without those extras, cancer cells form fewer tumors in mice.
- Space
NASA’s OSIRIS-REx must avoid ‘Mount Doom’ to return a sample of the asteroid Bennu
The OSIRIS-REx spacecraft finally has a target spot for sample collection, called Nightingale, on the asteroid Bennu.
- Animals
Why some whales are giants and others are just big
Being big helps whales access more food. But how big a whale can get is influenced by whether it hunts for individual prey or filter-feeds.
