8,283 results
8,283 results for: Fish
- Earth
Sewage linked to fish-gender quirks
Releases from sewage treatment plants appear to impair reproductive tissues in fish.
- Physics
Humpty-Dumpty Effect: Acoustically, people resemble large eggs
The first measurements of how people intrinsically scatter sound waves indicate that, acoustically, a human body resembles a hard ellipsoid of the same height and girth as the person.
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Protein Portal: Enzyme acts as door for the SARS virus
A protein that regulates blood pressure also serves as the cellular portal for the SARS virus.
- Earth
Slowing Puberty? Pesticide may hinder development in boys
Long-term exposure to the pesticide endosulfan may delay the onset of puberty in boys.
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- Science & Society
Chimps in captivity may soon join endangered species list
Proposal would extend protections to both wild and captive primate populations.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Physics
Simple invisibility cloaks hide toys, pets, people
Using everyday materials, two research teams conceal ordinary objects by guiding light around them.
- Animals
In dark fishing spiders, males’ postmating nap is permanent
Species prepares for two pairings but goes into a fatal coma after a single encounter.
- Life
Brain cell insulators are short-timers
Limited myelin production time may make it harder to repair nerve casings damaged by multiple sclerosis.
- Animals
Highlights from the Evolution 2013 meeting
Selections from the meeting include a natural fish experiment, terrapins' light displays and why a variety of eye colors persist in people, presented June 21-25 in Snowbird, Utah.
- Genetics
Killer whales are (at least) two species
Orca genetics highlights distinctions among groups that feed on different prey.
