5,531 results
5,531 results for: Forests
- Animals
Volcanic sulfur may make barn owls grow redder feathers
Barn owls on volcanic islands tend to have redder plumage than those on nonvolcanic islands, possibly due to an influx of sulfur in the environment.
- Climate
The summer of 2021 was the Pacific Northwest’s hottest in a millennium
Tree ring data from the Pacific Northwest reveal that the region’s average summer temperature in 2021 was the highest since at least the year 950.
- Environment
Satellite imagery reveals ‘hidden’ tornado tracks
Twisters that churn over barren landscapes leave scars that are invisible to human eyes but are detectable with infrared light.
- Life
Chemical signals from fungi tell bark beetles which trees to infest
As fungi break down defensive chemicals in trees, some byproducts act as signals to bark beetle pests, telling them which trees are most vulnerable.
- Animals
The last leg of the longest butterfly migration has now been identified
After a long journey across the Sahara, painted lady butterflies from Europe set up camp in central Africa to wait out winter and breed.
- Tech
A trick inspired by Hansel and Gretel could help rovers explore other worlds
Taking a cue from a classic fairy tale, scientists propose a way for rovers to send back data from treacherous terrain.
- Climate
How an Indigenous community in Panama is escaping rising seas
The Indigenous Guna peoples' relocation from Panama could offer lessons for other communities threatened by climate change.
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- Paleontology
The oldest known pollen-carrying insects lived about 280 million years ago
Pollen stuck to fossils of earwig-like Tillyardembia pushes back the earliest record of potential insect pollinators by about 120 million years.
- Anthropology
Two scientists’ trek showed how people of Chaco Canyon may have hauled logs
By carrying a log with the aid of head straps called tumplines, the duo demoed how people may have hauled timbers to Chaco about 1,000 years ago.
- Life
Fossils suggest early primates lived in a once-swampy Arctic
Teeth and jawbones found on Ellesmere Island, Canada, suggest that two early primate species migrated there 52 million years ago.
- Animals
A newfound ‘croakless’ frog may communicate via touch
A newly discovered frog species in Tanzania joins a rare group of frogs that don’t croak or ribbit.
