6,745 results
- Animals
Ximena Velez-Liendo is saving Andean bears with honey
By training beekeepers, biologist Ximena Velez-Liendo is helping rural agricultural communities of southern Bolivia coexist with Andean bears.
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Striving to break the global grip of malnutrition
Editor in chief Nancy Shute discusses the quest for solutions in challenges such as childhood malnutrition, Andean bear conservation and assessing AI’s cognition.
- Materials Science
A fiber inspired by polar bears traps heat as well as down feathers do
Scientists took a cue from polar bear fur to turn an ultralight insulating material into knittable thread.
- Paleontology
Meet Lokiceratops, a newly discovered species of horned dinosaur
Found in Montana’s badlands, Lokiceratops had two large, bladelike horns jutting forward and out from between its eyes.
- Chemistry
Here’s how tardigrades go into suspended animation
A new study offers more clues about the role of oxidation in signaling transitions between alive and mostly dead in tardigrades.
- Animals
Explore the past, present and future of ‘Eight Bears’
The book invites readers to meet the eight species of bears left on Earth and looks at how humans are shaping their future, for better or for worse.
- Health & Medicine
Bird flu has infected a person after spreading to cows. Here’s what to know
H5N1 has wreaked havoc on birds around the globe and occasionally made the jump to mammals, including cows. The risk to people remains low.
- Planetary Science
Sulfur was key to the first water on Earth
Hydrogen bonded with sulfur may have given our world its first water after the hydrogen broke away and joined with oxygen in the planet’s crust.
- 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.
- 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.
