8,299 results
8,299 results for: Fish
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18943
“Salmon hatcheries can deplete wild stocks” ignores a basic fact. Hatchery stocks came from wild stocks. Their DNA is the same. There is an abundance of underused habitat in our northwest rivers. Some hatchery salmon would use these habitats if they were left alone. Instead, hatchery fish are clubbed to death to prevent their mixing […]
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Genetics
Top genomes of 2013
Scientists continue to decode the genetic blueprints of the planet’s myriad flora and fauna.
- Microbes
Gut bacteria respect diets, not borders
Malawian and Guahibo gut microbiomes resembled those of herbivorous mammals, while American guts were more similar to carnivores’.
- Animals
Dog-paddle science debunks notion of underwater trot
From Newfoundlands to Yorkshire terriers, canines swim with similar, distinctive gait.
- Math
Tomorrow’s catch
A biologist who formerly applied his mathematical talents in finance has developed new ways of predicting the ups and downs of fish populations.
- Earth
Creativity offers insights into the past and future
With the long-term future of many fisheries in doubt and severe drought once again hitting the Southwest, coming up with new insights into the past and future on land and sea may be crucial to protecting some of our most precious resources.
- Animals
Swimming dolphins don’t need to cheat
Dolphins swimming through bubbles burst old notion of underpowered muscles.
- Life
Pigment pas de deux puts stripes on zebrafish
Interactions between color-producing cells generate patterns on fish fins.
- Archaeology
Stone Age fishing spear found on Southeast Asian island
Notched piece of bone found near Indonesia illustrates surprisingly complex tool making 35,000 years ago.
- Humans
Letters from the May 27, 2006, issue of Science News
Dig it or don’t I am rather surprised at all the attention this find is getting (“Out of the Shadows: Not all early mammals were shy and retiring,” SN: 3/18/06, p. 173). Some would think that these mammals caused the downfall of the dinosaurs, but the fossil record suggests a very different scenario. There is […]
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19051
My olfactory sense was alerted while pregnant but stayed on guard. After 7 years, it’s sharper than ever. I can smell the minutest scents, which means my taste buds are equally sensitive. In some ways, it’s a blessing, but I end up smelling more than I want to: men too interested in me, a married […]
