Science Pulse
Cockatoos can tell when they need more than one tool to...
Cockatoos know when it will take a stick and a straw to nab a nut in a puzzle box. The birds join chimps as the only known nonhumans...
This dinosaur may have used its legs to catch prey in the...
Fossilized toe pads suggest a hawklike hunting style in Microraptor, a dinosaur that some scientists think could hunt while flying.
NASA scientists 'weigh' a white dwarf for the first time...
NASA astronomers used the Hubble Space Telescope to measure the mass of a white dwarf, an important step for understanding how stars...
Dwarf planet Quaoa in the Kuiper belt has an impossible...
Quaoar’s ring lies outside the Roche limit, an imaginary line beyond which rings aren’t thought to be stable.
Some ‘friendly’ bacteria backstab their algal pals. Now...
The friendly relationship between Emiliana huxleyi and Roseobacter turns deadly when the bacteria get a whiff of the algae’s aging-related...
Many plans for green infrastructure risk leaving vulnerable...
Green infrastructure is one way to help combat climate hazards like flooding. But without equitable planning, only some communities...
We prioritize family over self, and that has real-world...
Two studies show how family bonds improve personal and mental health, suggesting policy makers should shift away from individualistic...
Here are 3 people-animal collaborations besides dolphins...
Dolphins working with people to catch fish recently made a big splash. But humans and other animals have cooperated throughout history.
How plant ‘muscles’ fold up a mimosa leaf fast
A mimosa plant revs up tiny clumps of specially shaped cells that collapse its leaflets, though why isn’t clear.
Are your cats having fun or fighting? Here are some ways...
Certain behaviors indicate if your cats’ interaction is friendly, aggressive or something in between, a new study finds.
Vikings brought animals to England as early as the year...
A chemical analysis of cremated remains offers physical evidence of the arrival of Norse animals to England in the ninth century.
Hubble captures stunning stellar duo in Orion Nebula 1,450...
The Hubble Space Telescope captured a stunning new image of two stars in the Orion Nebula, a region of stellar formation located about...
Muon scanning hints at mysteries within an ancient Chinese...
Density fluctuations within the ancient rampart encircling the city of Xi’an could be defects or yet-to-be-discovered archaeological...
A new metric of extinction risk considers how cultures...
Conservation efforts should consider relationships between cultural groups and the species important to them, researchers argue.
Florida man who allegedly beat shark on beach should be...
Florida wildlife officials are recommending charges against a man accused of dragging a shark around a beach after beating it with...
Asteroid to rocket past Earth in one of closest encounters...
NASA said that the asteroid, known as 2023 BU, will pass close to Earth on Thursday night. This will be a near miss, according to...
Prairie voles can find partners just fine without the ‘love...
Researchers knocked out prairie voles’ oxytocin detection system. They weren’t expecting what happened next.
Mysterious marks on Ice Age cave art may have been a form...
Hunter-gatherers during the Ice Age may have recorded when prey mated and gave birth, suggesting that these people possessed complex...
Birds that dive may be at greater risk of extinction
For birds, a diving lifestyle seems irreversible, evolutionarily speaking. The inflexibility possibly increases diving birds’ chances...
Fossils suggest early primates lived in a once-swampy Arctic
Teeth and jawbones found on Ellesmere Island, Canada, suggest that two early primate species migrated there 52 million years ago.
