8,236 results
8,236 results for: Fish
- 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.
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- Animals
Secrets of a sailfish attack
The large, long-nosed sailfish use their rostrums more like a sword than a spear to attack prey.
- Animals
Anemone eats bird, and other surprising animal meals
A fuzzy green anemone eating a bird many times its size shows that you can’t take anything for granted when it comes to which animals can eat each other.
- Ecosystems
Deep-sea trawling threatens oceans’ health
Dragging large nets along the seafloor to catch fish cuts organic matter and biodiversity in half and may threaten all of the world's underwater ecosystems.
