6,869 results
6,869 results for: Bears
- Life
Mega El Niños kicked off the world’s worst mass extinction
Long-lasting, widespread heat and weather extremes may have caused the Great Dying extinction event 252 million years ago.
- Humans
Ancient horse hunts challenge ideas of ‘modern’ human behavior
An archaeological site in Germany suggests communal hunting and complex thinking emerged earlier in human evolution than once thought.
- Life
These are our favorite animal stories of 2024
Pigeons that do somersaults, snakes that fake death with extra flair and surprised canines are among the organisms that enthralled the Science News staff.
- Animals
The Brazilian flea toad may be the world’s smallest vertebrate
Brazilian flea toads are neither a flea nor a toad, but they are almost flea-sized. The frogs are small enough to fit on a pinkie fingernail.
- Planetary Science
Scientists find a long-sought electric field in Earth’s atmosphere
The Earth’s ambipolar electric field is weak but strong enough to control the shape and evolution of the upper atmosphere.
- Life
This is the first egg-laying amphibian found to feed its babies ‘milk’
Similar to mammals, these ringed caecilians make a nutrient-rich milk-like fluid to feed their mewling hatchlings up to six times a day.
- 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.
