6,778 results
6,778 results for: Bears
- Health & Medicine
Bird flu has been invading the brains of mammals. Here’s why
Although H5N1 and its relatives can cause mild disease in some animals, these viruses are more likely to infect brain tissue than other types of flu.
- Anthropology
50 years ago, evidence showed that an extinct human ancestor walked upright
Fossil finds have since pushed back the ability of hominids to walk on two legs by millions of years.
- Plants
This tentacled, parasitic ‘fairy lantern’ plant is new to science
The bizarre new plant from Malaysia parasitizes subterranean fungi and only briefly erupts from the soil to flower.
- Archaeology
These South American cave paintings reveal a surprisingly old tradition
Radiocarbon dates point to an artistic design practice that began in Patagonia almost 8,200 years ago, several millennia earlier than previously recorded.
- Space
How a sugar acid crucial for life could have formed in interstellar clouds
Computer calculations and lab experiments have revealed a possible mechanism for the creation of glyceric acid, which has been seen in meteorites.
- Archaeology
A four-holed piece of ivory provides a glimpse into ancient rope-making
The tool, unearthed in Central Europe, suggests that locals made devices for stringing together sturdy cords over 35,000 years ago, researchers say.
- Health & Medicine
Brain-controlled bionic limbs are inching closer to reality
Bionics engineers typically view biology as something to be worked around. “Anatomics” engineers the body to be part of the system.
- Science & Society
This ‘hidden figure’ of entomology fought for civil rights
Margaret S. Collins, the first Black American female entomologist to earn a Ph.D., overcame sexism and racism to become a termite expert.
- Animals
When do cats play fetch? When they feel like it
Most cats that play fetch picked it up on their own, a study of cat owners suggests. The felines tend to dictate when a fetching session begins and ends.
- Climate
A ruinous hailstorm in Spain may have been supercharged by warming seas
Giant hail that pummeled northeast Spain in August 2022 could not have formed without climate change, computer simulations suggest.
- Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Genetics
Freeze-drying turned a woolly mammoth’s DNA into 3-D ‘chromoglass’
A new technique for probing the 3-D structure of ancient DNA may help scientists learn how extinct animals functioned, not just what they looked like.
