8,278 results
8,278 results for: Fish
- 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.
- Climate
Environmental change may spur growth of ‘rock snot’
A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.
- 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.
- Animals
How an octopus keeps itself out of a tangle
The suckers on an octopus stick to just about anything, except the octopus itself. Scientists think they’ve figured out why.
- Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
- Climate
Crop nutrients may drop as carbon dioxide rises
Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.
- 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
What animal is the world’s best rock climber?
Lots of animals manage to scale vertical heights, and each has their own way of accomplishing the feat.
- Planetary Science
The ice of a distant moon
Jupiter’s moon Europa hides a liquid ocean, and conceivably life, under kilometers of ice. The challenge for engineers is how to penetrate that frozen barrier with technology that can be launched into space and operated remotely.
- 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.
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- Life
Find your inner fish with PBS series on human evolution
A new documentary explores how the human body came together over 3.5 billion years of animal evolution.
