Ecosystems
New videos reveal the hidden lives of Andean bears
The footage give clues to the range of plants the bears eat and how they mate, information important for conservation.
Earth
More Stories in Earth
- Climate
Satellite space junk might wreak havoc on the stratosphere
Hundreds of defunct satellites plunge toward Earth every year. Scientists are studying how the chemical stew left in their wake impacts the atmosphere.
- Climate
Climate change has amped up hurricane wind speeds by 29 kph on average
Every single Atlantic hurricane in 2024 had wind speeds supercharged by warming seas. One even jumped two categories of intensity.
- Oceans
The world’s largest coral was discovered in the South Pacific
The behemoth coral, discovered in October in the Solomon Islands, is longer than a blue whale and older than the United States.
- Health & Medicine
22 pesticides show links to prostate cancer
The new finding comes from an analysis of pesticide use and prostate cancer incidence in over 3,100 U.S. counties.
- Environment
Fire-prone neighborhoods on the fringes of nature are rapidly expanding
The transition zone where unoccupied wildlands meet developed areas increased globally by about 35 percent from 2000 to 2020.
- Climate
Meet Chonkus, the mutant cyanobacteria that could help sink climate change
The mutant of the lab-studied Synechococcus elongatus has traits good for ocean carbon storage.
- Agriculture
Exploiting a genetic quirk in potatoes may cut fertilizer needs
A gene controlling potato growth limits the plant’s fertilizer uptake. Tweaking related genes could lead to more sustainable potato varieties.
- Animals
This marine biologist discovered a unique blue whale population in Sri Lanka
In addition to studying the world’s only nonmigratory blue whales, marine biologist Asha de Vos seeks to change her compatriots’ attitudes toward the ocean.
- Climate
Fans may not keep older adults cool during heat waves
Older adults are at higher risk of suffering health consequences during heat waves. Fans may not do enough to prevent that.
