News
- Animals
Polar bears are being exposed to more pathogens as the climate warms
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
By Jake Buehler - Health & Medicine
A new implant tested in animals reverses drug overdoses
In pigs, the device detected overdoses and administered naloxone. It could also alert emergency services to respond.
By Anna Gibbs - Archaeology
Silk Road cities reached surprising heights in Central Asia’s mountains
Drones with lasers revealed hidden urban centers that may have aided trade and travel through mountainous regions during medieval times.
By Bruce Bower - Tech
Tech companies want small nuclear reactors. Here’s how they’d work
To fuel AI’s insatiable energy appetite, tech companies are going big on small nuclear reactors.
- Space
JWST spots the first known ‘steam world’
Astronomers have found a world shrouded in an atmosphere of water vapor, orbiting a star 100 light-years away.
- Health & Medicine
Once-weekly insulin might mean fewer shots for some with diabetes
Recent clinical trials of weekly insulin highlight how this formulation may be useful in managing diabetes, but the drug has limitations.
- Health & Medicine
Doula care may lead to fewer C-sections or preterm births
A new study comparing the health outcomes of Medicaid patients with and without a doula suggests the extra support during pregnancy may be beneficial.
- Animals
Science has finally cracked male riflebirds’ flirty secrets
New video upsets the old notion that these birds of paradise use wing clapping to make percussive sounds while courting.
By Susan Milius - Agriculture
Megafire smoke may dampen California’s nut harvests
The summer after wildfire smoke blocked sunlight for long stretches, harvests at some almond tree orchards in California’s Central Valley dropped.
- Environment
An idea to save Mexico’s oyamel forests could help monarch butterflies too
Climate change is putting monarch butterflies’ overwintering forests in Mexico at risk. Could planting new forests solve that problem?
- Oceans
How tiny phytoplankton trek long distances upward in the ocean
Taking in seawater while filtering out dense salts lets unicellular phytoplankton migrate tens of meters vertically toward sunnier seas.
- Planetary Science
The cataclysmic origins of most of Earth’s meteorites have been found
Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.