Animals
Mic’d bats reveal midnight songbird attacks
Sensor data reveal greater noctule bats chasing, catching and chewing on birds during high-altitude, nighttime hunts.
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We summarize the week's scientific breakthroughs every Thursday.
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- Animals
Tug or fetch? Some dogs sort toys by how they are used
Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.
- Animals
Just like humans, many animals get more aggressive in the heat
From salamanders to monkeys, many species get more violent at warmer temperatures — a trend that may shape their social structures as the world warms.
- Animals
These giant carnivorous bats hug, cuddle — and even share dinner
Infrared cameras in Costa Rica revealed that the world’s largest carnivorous bat maintains close social bonds through wing wraps and prey sharing.
- Astronomy
A dying star revealed its heart
Before exploding, a star shed most of its layers, giving a glimpse at a massive star’s deep interior. The event may represent a new kind of supernova.
- Space
Astronauts need oxygen. Magnets could help
Adding a magnet could simplify the process of producing oxygen in space, making a crewed mission to Mars more feasible.
- Animals
A single protein makes lovesick flies spill their guts
Producing a male-specific protein in digestion-related neurons may have led to the evolution of an odd “romantic” barfing behavior in one species of fruit flies.
- Environment
See how aerosols loft through Earth’s sky
Aerosols, small particles in the atmosphere like salt and dust, may offset a third of human-caused climate warming, though their influence is fading.
- Health & Medicine
How flossing a mouse’s teeth could lead to a new kind of vaccine
Flu viruses often enter the body through mucous tissue in the nose. Researchers are developing new ways to protect such areas.
- Plants
These plants build ant condos that keep warring species apart
The unique architecture of some ball-like plants high in trees in Fiji lets violent ants live peacefully and feed the plant with valuable droppings.
