Uncategorized
- Physics
Second gravitational wave signal detected
LIGO has spotted a second set of ripples in the fabric of spacetime.
- Animals
City living shortens great tits’ telomeres
Great tits raised in urban nests have shorter protective caps on their chromosomes than those raised in rural nests.
- Life
Vaccines may offer defense against dengue, Zika and chikungunya
Mosquitoes carry several harmful viruses—dengue, Zika, chikungunya. Vaccines may be the best means of defense.
- Astronomy
Limestone world gobbled by planet-eating white dwarf
Debris from a shredded planet points to a world that was once covered in calcium carbonate.
- Planetary Science
Long-lost ‘extinct’ meteorite found
A newly discovered meteorite, nicknamed Öst 65, may have originated from the same collision that formed L chondrites, one of the most abundant groups of meteorites on Earth.
- Chemistry
Movie viewers’ exhaled chemicals tell if scene is funny, scary
Changes in trace gases exhaled by movie audiences could point the way to a subtle form of human communication.
- Animals
‘Kermit Sutra’ gets seventh amphibian mating position
Bombay night frogs’ unusual mating protocol features indirect sperm transfer and female croaks.
- Life
Biologists seek help to ‘see’ itty-bitty molecules in 3-D
A new citizen science project called Microscopy Masters aims to improve how scientists build three-dimensional models of proteins.
- Animals
‘Silent Sparks’ illuminates fascinating world of fireflies
In a new book, a firefly researcher explores why scientists and kids alike are captivated by lightning bugs.
- Earth
A third of the population can’t see the Milky Way at night
Light pollution conceals the Milky Way’s star-spangled core from more than a third of Earth’s population, a global atlas of artificial sky luminance reveals.
- Plants
Scary tomato appears to bleed
A new species of Australian bush tomato bleeds when injured and turns bony in old age.
- Psychology
Kids’ anxieties, depression need attention
Psychological troubles in childhood are no longer considered a part of normal development.
