6,867 results
6,867 results for: Bears
- Life
Here are 8 remarkable scientific firsts of 2024
Making panda stem cells, mapping a fruit fly’s brain and witnessing a black hole wake up were among the biggest achievements of the year.
- Climate
Climate change could double U.S. temperature-linked deaths by mid-century
Each year, roughly 8,000 deaths in the United States are associated with extreme temperatures. And as temperatures rise, this number could swell.
- Life
The oldest known fossil tadpole was a big baby
Fossils of the ancient frog Notobatrachus degiustoi push the known tadpole timeline back more than 30 million years.
- Science & Society
Do science dioramas still have a place in today’s museums?
Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.
- Planetary Science
Check out some of the weird rocks that have turned up on Mars
Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.
- Planetary Science
A first look at rocks from the lunar farside create a volcanic mystery
Rocks returned by China’s Chang’e-6 mission suggest volcanic activity just 2.8 billion years ago but lack telltale heat-generating elements.
- Paleontology
Could Spinosaurus swim? The fierce dinosaur ignites debate
Researchers are still divided about whether Spinosaurus was a swimmer or a wader. What’s clear is that confirming the first swimming dinosaur would be a game-changer.
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- Paleontology
China’s famously rich dinosaur fossil beds get a new origins story
Cave-ins and floods may have buried the Cretaceous creatures of the fossil Jehol Biota rather than volcanic eruptions, a new study claims.
- 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.
