60-second Science

Art created by Australian Aboriginal people used organic carbon-free pigments, but wasp nests above or below the art can be used for radiocarbon dating that supplies boundaries for the age of artworks.

Ice cores from a Tibetan glacier reveal the first deposits of industrial revolution pollution, starting in layers dated to about 1780.

A new study in mice concludes stress can cause gray hair—and credits overactive nerves with the change in hue. Karen Hopkin reports. 

A very fine grind can actually hamper espresso brewing, because particles may clump more than larger particles will.

Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food—even without training.

Neandertals ate clams and then modified the hard shells into tools for cutting and scraping.

Whiskeys claimed to be from the 19th century are revealed to be made with much more recently grown barley, thanks to the unique isotopic fingerprint of the nuclear-testing era. 

By outfitting 169 albatrosses with GPS data loggers, scientists were able to track fishing boats apparently trying to hide their location. Christopher Intagliata reports.

Here are a few brief reports about international science and technology from around the world, including one from the Democratic Republic of the Congo about a toad that has evolved coloring that makes it look like a deadly snake’s head.

Groundhogs are less accurate at weather forecasting than are coin flips, but they are nonetheless pretty interesting critters.

One hypothesis says the ability to vocalize arose in nocturnal animals—and a new evolutionary analysis suggests there may be some truth to it. Christopher Intagliata reports. 

Well more than 100 distinct sign languages exist worldwide, with each having features that made it possible for researchers to create an evolutionary tree of their lineages.

Researchers dialed down the default number of opioids in two hospitals’ prescription systems—and doctors ended up prescribing fewer pills. Christopher Intagliata reports.

Some wolf pups will play fetch with a stranger, suggesting that an ability to playfully interact with people could have come before, and played a role in, dog domestication.

By listening to the sounds of the forest, biologists were able to identify an invasion of barred owls in spotted owl habitat. Christopher Intagliata reports.

The cat parasite Toxoplasma gondii boosts curiosity in mice—which makes them more likely to be caught by cats, thus continuing the parasite’s life cycle. Karen Hopkin reports.

The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports. 

Mussels and crabs are two of the creatures most likely to invade Antarctica in the next 10 years, a panel of scientists say. Christopher Intagliata reports.

Soil bacteria may have taken residence in early algal species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports.

The Murchison meteorite, which screamed to Earth 50 years ago, carried with it stardust that's seven billion years old. Christopher Intagliata reports.