Uncategorized
- Brain
Tongues ‘taste’ water by sensing sour
Water doesn’t taste like much, but our tongues need to detect it somehow. They may do it by sensing acid, a new study shows.
- Animals
Beware the tap of the narwhal’s tusk
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
- Brain
Scientists Say: Amygdala
Named after the Greek word for “almond,” the amygdala helps us process emotions, make decisions and form memories.
- Brain
Brains learning together act the same
When students are all focused on the same thing, their brainwaves look the same, a new study shows.
- Climate
Cool Jobs: Bringing caves’ dark secrets to light
These three cave researchers study caves to learn more about climate, geology and organisms that can survive some of Earth’s most hostile environments.
- Planets
Jupiter may be the solar system’s oldest planet
Jupiter’s early existence may explain the odd arrangement of planets in the solar system, a new study suggests.
- Archaeology
DNA from African mummies tie these folk to Middle Easterners
Ancient DNA extracted from 90 Egyptian mummies reveals genetic links to Greece and the Middle East.
- Ecosystems
Camera catches new fish species — as it’s eaten!
A video of a lionfish eating a new-found species of fish raises concerns about the threat lionfish pose to undiscovered species in deep reefs.
- Chemistry
Scientists Say: Catalyst
Sometimes a chemical reaction can take a while. If speed is needed, a catalyst can help.
- Chemistry
Trees can make summer ozone levels much worse
The greenery can release chemicals into the air that react with combustion pollutants to make ozone. And trees release more of those chemicals where it gets really hot, a new study finds.
- Health & Medicine
Think you’re not biased? Think again
Everyone holds some unconscious bias about certain social groups, even when they don’t mean to. Scientists are learning how people can fight such implicit biases.
- Planets
Hot, hot planet sets sizzling new record
Astronomers have discovered an odd new exoplanet. Called KELT 9b, is the hottest non-star known.
