8,240 results
8,240 results for: Fish
- Earth
Meeting of the Americas came early, study suggests
Volcanic crystals thought to have formed in Panama and found in an ancient Colombian streambed hint that North and South America may have met up roughly 10 million years earlier than once thought.
- Life
It’s true: Butterfly spots can mimic scary eyes
Contrary to recent studies, the old notion that butterfly wing eyespots evoke predator eyes may not be so old-fashioned after all.
- Animals
Mouse mates with similar personalities start families faster
Among monogamous mound-building mice, the more closely mates match in a tendency toward anxiety, the sooner they start having babies
- Climate
Resilience protects corals from hurricanes — and climate change
Coral reefs have evolved to be resilient in the face of hurricanes that can devastate human populations. But climate change is reducing the ability of reefs to bounce back from disaster.
- Animals
Hearing awful or great singing changes birds’ choice
A male bird’s serenade inspires reactions that depend on the quality of songs a female has been listening to.
- Oceans
Mercury at ocean surface may have tripled since preindustrial times
Questions remain over dangers of toxic metal in environment.
- Environment
Plastic goes missing at sea
A survey of the world’s oceans finds far less polymer trash than expected, and researchers don’t know where the rest of the plastic is.
- Climate
Reef fish act drunk in carbon dioxide–rich ocean waters
In first test in the wild, fish near reefs that bubble with CO2 lose fear of predators’ scent.
- Quantum Physics
Finding quantum entanglement in a crowd
Physicists have measured entanglement between pairs of photons within a macroscopic beam of light, a first step toward understanding how particles’ quantum connections lead to large-scale effects.
- Animals
Lacking ice, huge walrus herd congregates on Alaska shore
A large group of walruses has hauled out on the beach near Point Lay, Alaska. The animals have been forced onto shore due to a lack of sea ice in the region.
- Chemistry
Nanoparticles in foods raise safety questions
As scientists cook up ways to improve palatability and even make foods healthier, some are considering the potential health risks of tiny additives.
- Climate
Melting ice forces walrus detour
Warming temperatures and shrinking summer ice cover have forced the animals to seek solid ground during feeding season.
