8,095 results
- Ecosystems
Fish Stew: Species interplay makes fisheries management tricky in the long run
Annual fluctuations in certain fish populations can be best understood and controlled by accounting for ecological factors, such as predation by other fish, in addition to fisheries harvests.
- Earth
DDT linked to miscarriages
A study of Chinese women finds that the pesticide DDT can not only affect menstrual cycles but also foster miscarriages very early in pregnancy.
- Chemistry
Buckyballs at Bat: Toxic nanomaterials get a tune-up
The soccer-ball-shaped carbon molecules known as buckyballs are toxic to human cells, yet coating the particles can switch off their toxicity.
- Animals
Bird Calls
The Macaulay Library at Cornell University has the largest collection of animal sounds in the world. More than 67 percent of the world’s birds are represented in the center’s 160,000 recordings, along with sounds made by insects, fish, frogs, and mammals. The Library also archives and preserves a sampling of the behaviors of different animal […]
- Health & Medicine
Omega-3’s May Hit Food Labels
The Food and Drug Administration has announced that it will allow manufacturers to make certain health claims about omega-3 fatty acids, which are found in fish and other foods.
- Archaeology
Massive Fishery Resurfaces in Amazon
Native groups in an Amazonian region of Bolivia built a large-scale fishery and other earthworks at least 300 years ago, before the Spanish conquest.
- Paleontology
Crawling through Time: Fish bones reveal past climate change
The timing of ancient migrations of snakehead fish from the Indian subcontinent into Europe, Asia, and Africa tells scientists about temperature and humidity changes in those locations.
- Tech
Ocean Envy
By mimicking the flippers of penguins, whales, and dolphins, engineers hope to make ocean vessels that are as maneuverable and efficient as the marine animals.
- Materials Science
Tiny Trouble: Nanoscale materials damage fish brains
Although nanomaterials could one day lead to more powerful electronics and better medicines, new research shows these tiny materials can also be toxic to fish.
- Earth
Invisible Rivers
The fresh water that seeps from continents into coastal waters via submarine springs is a phenomenon that many scientists are just beginning to appreciate, model, and accurately measure.
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
- Animals
Color at Night: Geckos can distinguish hues by dim moonlight
The first vertebrate to ace tests of color vision at low light levels—tests that people flunk—is an African gecko.
