740 results
740 results for: Penguins
- Climate
Penguin poop gives Antarctic cloud formation a boost
Penguin poop provides ammonia for cloud formation in coastal Antarctica, potentially helping to mitigate the impacts of climate change in the region.
- Animals
Stinky penguin poop strikes fear into the hearts of Antarctic krill
A chemical in Adélie penguin guano may have cued krill to take evasive maneuvers in lab tests.
- 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
These nesting penguins nod off over 10,000 times a day, for seconds at a time
Micronaps net chinstrap penguins over 11 hours of sleep a day, offering some rest while staying vigilant against predators and competitors.
- Science & Society
Students’ mental health imperiled by $1 billion cuts to school funding
The Trump administration is cutting $1 billion in grants that support student mental health. That has educators worried.
- Climate
Emperor penguins lost thousands of chicks to melting ice last year
In 2022, groups of emperor penguins in western Antarctica lost almost all their chicks to receding sea ice, signaling the threat of climate change.
- 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.
- Neuroscience
How smart was T. rex?
A debate over how to count neurons in dinosaurs is raising questions about how to understand extinct animals’ behavior.
- Climate
Can geoengineering plans save glaciers and slow sea level rise?
As climate change melts West Antarctica’s glaciers, scientists are proposing bold ideas to avoid devastating sea level rise. Will they work?
- Life
Birds that dive may be at greater risk of extinction
For birds, a diving lifestyle seems irreversible, evolutionarily speaking. The inflexibility possibly increases diving birds’ chances of going extinct.
- Animals
Reindeer can sleep while they chew
Brain waves and behaviors suggest that reindeer can doze while chewing, a timesaving strategy for sleeping under tough conditions.
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The challenges of seeing the profusion of tiny life
Editor in chief Nancy Shute marvels at the diversity of tiny life-forms known as protists.
