6,896 results
6,896 results for: Bears
- 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.
- 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.
- Humans
100 years after the Scopes trial, science is still under attack
In 1925, John Scopes was indicted for teaching evolution. Science News looks at the forces that led to the trial and how expertise was the big loser.
- 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.
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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.
- 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.
- Space
These discoveries in 2024 could be groundbreaking — if they’re true
Did microbes ever live on Mars? Did an "elevator" help build Egypt’s first pyramid? Some signs pointed to yes this year, but confirmation is still needed.
- 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.
- Psychology
Navigation research often excludes the environment. That’s starting to change
Participants “navigating” on a lab computer have shaped navigation knowledge. Studies that add in the environment challenge those findings.
- Animals
Scientists have just turned giant panda skin cells into stem cells
If the pluripotent stem cells can be turned into precursors to egg and sperm cells, the feat could potentially be a big deal for giant panda conservation.
- Climate
Summer-like heat is scorching the Southern Hemisphere — in winter
Warmer winters are fast becoming a global phenomenon and can affect everything from the food we grow to the spread of diseases.
- Animals
‘Night Magic’ invites you to celebrate the living wonders of the dark
In the book ‘Night Magic,’ Leigh Ann Henion writes of encounters with salamanders, bats, glowworms and other life-forms nurtured by darkness.
