6,913 results
6,913 results for: Bears
- 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.
- 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.
- 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.
- 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.
- Animals
Putting vampire bats on treadmills reveals an unusual metabolism
A bat gym shows that vampires are more like some insects, burning amino acids from blood proteins rather than the carbs or fats other mammals rely on.
- Animals
Ethiopian wolves are the first large carnivores found to slurp nectar
Wolves from three different packs were seen licking red hot poker flowers. That sweet tooth could make them the first known large predator pollinators.
- Archaeology
A race to save Indigenous trails may change the face of archaeology
As construction of a pipeline nears, an effort to preserve an Indigenous trail in Canada tests whether heritage management can keep up with advances in archaeology.
- Plants
Cryopreservation is not sci-fi. It may save plants from extinction
Not all plants can be stored in a seed bank. Cryopreservation offers an alternative, but critics question whether this form of conservation will work.
- 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.
- 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.
- 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
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.
