Uncategorized
- Neuroscience
High blood sugar could worsen effects of spinal injury
Studies in people and mice suggest reining in blood sugar can improve recovery from a spinal cord injury.
- Animals
Monarch butterflies’ ancestors migrated
The earliest monarch butterflies originated in North America and were migratory. Some of the insects later lost that ability as they moved into the tropics, a genetic analysis finds.
- Animals
Baby fish are noisier than expected
Gray snapper larvae may be able to communicate in open water using tiny knocks and growls.
- Climate
Missing winds probably foiled 2014’s chance for El Niño
Lack of antitrade winds probably hampered 2014 El Niño.
- Climate
19th century chronicles offer clues to mystery volcano
Meteorological records narrow down the time and place of a massive volcanic eruption that helped trigger a decade of extreme cold.
- Chemistry
Interstellar chemical resembles building blocks of life
A molecule detected in the space between stars resembles amino acids, suggesting those building blocks of life share a similar origin.
- Animals
Even on remote islands, busy ports mean more invasives
Islands with lots of trading ties are more likely to be colonized by invasive species, even when they are geographically remote, a new study of anoles reveals.
- Archaeology
Ancient stone-tool making method arose multiple times
Hominids in both Africa and Eurasia independently invented a flake-tool technique hundreds of thousands of years ago, countering a long-held idea in archaeology.
- Tech
Solar cell powers water-to-hydrogen conversion
High efficiency could make perovskite solar cells useful for generating environmentally friendly fuel.
- Neuroscience
Mighty muscles may stave off depression
Strong muscles protect the brain from stress-induced toxin associated with depression, a study in mice suggests.
- Science & Society
Syria’s World Heritage Sites severely damaged by war
Satellite images reveal that five of the country’s six World Heritage Sites have suffered damage and some structures have been completely destroyed.
- Life
Fledgling birds change rules for caterpillar color
An unusual experiment shows that larvae lose the advantage of warning colors during the seasonal flush of naïve predators.
