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Latest Headlines

04/20/2023

Urchins are dying off across the Caribbean. Scientists now know why

Apr 19 2023 2:00 PM

A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.

The classic map of how the human brain manages movement gets an update

Apr 19 2023 11:00 AM

Functional MRI scans provide a new version of the motor homunculus, the mapping of how the primary motor cortex controls parts of the body.

A prehistoric method for tailoring clothes may be written in bone

Apr 19 2023 8:00 AM

A punctured bone fragment was probably a leatherwork punch board. Perforated leather sewn together may have been seams in clothing.

Methane may not warm the Earth quite as much as previously thought

Apr 18 2023 9:00 AM

Methane absorbs both longwave and shortwave radiation, with competing effects on climate, a study finds. The gas remains a potent warmer of the planet.

Octopus, squid and cuttlefish arms evolved to 'taste' different compounds

Apr 18 2023 7:00 AM

Octopus suckers can taste a variety of greasy, sticky molecules, while squid and cuttlefish suckers detect bitter compounds.

Saturn's icy rings are probably heating its atmosphere, giving it an ultraviolet glow

Apr 17 2023 10:00 AM

Detecting similar emission from a distant world could help astronomers find other planets that boast bright and beautiful rings.

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More Recent Headlines

The Great Salt Lake is shrinking. What can we do to stop it?

Apr 17 2023 8:00 AM

A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.

50 years ago, a balloon circumnavigated the world for science

Apr 16 2023 7:00 AM

A 1973 high-altitude flight kicked off an era of useful stratospheric balloon science. Some scientists worry that heightened concerns over alleged spy balloons might hamper that.

The summer of 2021 was the Pacific Northwest's hottest in a millennium

Apr 14 2023 9:00 AM

Tree ring data from the Pacific Northwest reveal that the region's average summer temperature in 2021 was the highest since at least the year 950.

'Period' wants to change how you think about menstruation

Apr 14 2023 7:00 AM

Kate Clancy offers fascinating science and history about the uterus and menstruation in her book, Period: The Real Story of Menstruation.

Hibernating bears don't get blood clots. Now scientists know why

Apr 13 2023 2:49 PM

People who sit still for hours have an increased risk of blood clots, but hibernating bears and people with long-term immobility don't. A key clotting protein appears to be the reason why.

Estrogen in birth control could be cut way back, a study suggests

Apr 13 2023 2:35 PM

Delivering an extra low dose of estrogen, or a combination of estrogen and progesterone, at a specific time of the menstrual cycle may prevent ovulation.

'Flash droughts' are growing increasingly common

Apr 13 2023 2:00 PM

Droughts are forming faster more often in much of the world due to climate change, a new study finds.

The first black hole portrait got sharper thanks to machine learning

Apr 13 2023 7:00 AM

A machine learning technique filled in data gaps in the image of M87's black hole, resulting in a thinner ring.

Newfound bat skeletons are the oldest on record

Apr 12 2023 2:00 PM

The newly identified species Icaronycteris gunnelli lived about 52.5 million years ago in what is now Wyoming and looked a lot like modern bats.

Videos of gold nanoparticles snapping together show how some crystals grow

Apr 12 2023 9:00 AM

Real-time electron microscopy shows gold nanoparticles tumbling and sliding in a fluid before snapping together in crystalline structures.

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ScientistPankaj

Thursday, April 20, 2023

Latest from Science News: Urchins are dying off across the Caribbean. Scientists now know why