8,280 results
8,280 results for: Fish
- Tech
Sensor measures mass of one DNA molecule
A new biosensor that can detect the mass of a single DNA molecule could lead to faster and more accurate screening for HIV infection, cancer, and other diseases.
- Animals
He Clones, She Clones: Dad, mom ants as different species
In the little fire ant, males and queens clone themselves, the closest science has gotten to declaring males and females as separate species.
- Plants
Honey, We Shrank the Snow Lotus: Picking big plants reduces species’ height
Years of harvesting the larger plants of a Himalayan wildflower used in traditional medicines may be driving the evolution of a stubbier plant form.
- Animals
Is eyeless sea creature fishing with a red light?
Researchers off the coast of California have captured three deep-water siphonophores, relatives of jellyfish, and observed in the lab that the creatures twitch little red lights that could be lures for fish.
- Earth
Arctic Foulers: Foraging seabirds carry contaminants home
When seabirds go out looking for food, they can bring home traces of pollutants that build up around their nesting colonies.
- Animals
Meat-Eating Caterpillar: It hunts snails and ties them down
A newly named species of Hawaiian caterpillar sneaks up on a resting snail and quickly spins silk strands around it, lashing it to the spot, and then eats it.
- Animals
Getting the Gull: Baiting trick spreads among killer whales
A young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission.
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- Animals
The giraffes that sailed to medieval China
Chinese exploration of the world is often left out of Western textbooks (at least it was left out of mine), but for a brief period, from 1405 to 1433, the Chinese under Ming emperor Yongle sent out numerous trade missions that reached as far as present-day Kenya. During the fourth expedition, which left China in 1413, part of the fleet led by commander Zheng He sailed to Bengal in India, where in 1414 they met envoys from the African coastal state of Malindi (now part of Kenya). The men from Malindi had brought with them as tribute giraffes, and they gave one of those giraffes to the Chinese, who took it home.
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