News
- Life
Infants may laugh like some apes in their first months of life
Laughter seems to change over life’s early months, perhaps influenced by the unconscious feedback parents give when they play with their little ones.
- Earth
Clouds affected by wildfire smoke may produce less rain
As wildfires become more frequent in the western United States, these low-rain clouds could exacerbate drought, fueling more fires.
- Animals
How metal-infused jaws give some ants an exceptionally sharp bite
Some small animals make cuts, tears and punctures that they couldn’t otherwise do using body parts reinforced with metals such as zinc and manganese.
- Chemistry
A pinch of saturated fat could make tempering chocolate a breeze
Adding a small amount of fatty molecules to cocoa butter could simplify the labor-intensive tempering process to create melt-in-your-mouth chocolate.
- Earth
This pictogram is one of the oldest known accounts of earthquakes in the Americas
The Telleriano-Remensis, a famous codex written by a pre-Hispanic civilization, describes 12 quakes that rocked the Americas from 1460 to 1542.
- Health & Medicine
How personalized brain organoids could help us demystify disorders
Personalized clusters of brain cells made from people with Rett syndrome had abnormal activity, showing potential for studying how human brains go awry.
- Physics
New ‘vortex beams’ of atoms and molecules are the first of their kind
Twisted beams of atoms and molecules join other types of corkscrew beams made of light or electrons.
- Cosmology
Astronomers may have seen a star gulp down a black hole and explode
It took sleuthing through data collected by a variety of observatories to piece together the first firm evidence of a theorized cosmic phenomenon.
- Animals
Some wasps’ nests glow green under ultraviolet light
Some Asian paper wasps’ nests fluoresce so brilliantly that the glow is visible from up to 20 meters away.
- Life
Fires may have affected up to 85 percent of threatened Amazon species
Since 2001, fires in the Amazon have impacted up to about 190,000 square kilometers — roughly the size of Washington state.
- Anthropology
Stone Age humans or their relatives occasionally trekked through a green Arabia
Hominids periodically inhabited ancient Arabia starting around 400,000 years ago when lakes temporarily formed as a result of monsoons, a study finds.
- Animals
Streetlights, especially super bright LEDs, may harm insect populations
Greenery under streetlights housed half as many caterpillars as darker areas did, researchers found.
