Oceans
- Animals
Algal toxin impairs sea lion memory
California sea lions that have brain damage linked to domoic acid poisoning have impaired spatial memory, a new study finds.
- Climate
Thinning ice leads to winter warming in the Arctic
Thinning Arctic sea ice could boost heat-trapping water vapor in the air during autumn and winter, leading to more ice loss.
- Life
‘Racing Extinction’ documents plight of endangered species
The new documentary "Racing Extinction" offers hope that people can halt the sixth mass extinction.
- Oceans
Rising temperatures complicate efforts to manage cod fishery
Higher water temperatures in the Gulf of Maine could play a role in Atlantic cod crashes.
- Paleontology
300 million-year-old giant shark swam the Texas seas
Fossil find shows oldest known ‘supershark,’ about the size of a limo, prowled the ocean 300 million years ago.
- Oceans
Oxygen in Black Sea has declined by more than a third since 1955
The Black Sea’s oxygen-rich surface layer shrank by more than a third from 1955 through 2013, compressing marine habitats and bringing toxic hydrogen sulfide closer to the surface.
- Oceans
Widespread coral bleaching threatens world’s reefs
The world’s corals are experiencing their third major bleaching event in 17 years.
- Animals
What happens to animals in a hurricane?
Hurricanes can be devastating to animals on land and in the sea, but they can also provide opportunities.
- Animals
Some seabirds will be hit hard by sea level rise
Seabird species that nest on low-lying islands in stormy winter months could see huge losses as sea levels rise, a new study finds.
- Oceans
Giant barrel sponges are hijacking Florida’s coral reefs
Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.
- Oceans
Earth got first whiff of oxygen 3.2 billion years ago
Photosynthesis by early cyanobacteria pumped oxygen into Earth’s oceans 200 million years earlier than once thought, new geochemical analyses show.
- Environment
Molting seals shed mercury along with fur
Seals spew amassed mercury when they shed, creating hotbeds of pollution in otherwise pristine coastal environments.
