8,095 results
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DNA Bar Codes
Scientists are using a small piece of DNA as a molecular bar code, a unique identifier to separate organisms into species.
- Animals
Super Bird: Cooing doves flex extra-fast muscles
Muscles that control a dove's cooing belong to the fastest class of muscles known.
- Health & Medicine
Season Affects Cancer-Surgery Survival
Ample vitamin D at the time of lung-cancer surgery dramatically increases the odds that a patient will be alive and cancerfree 5 years later.
- Ecosystems
Fallout Feast: Vent crabs survive on victims of plume
Researchers in Taiwan propose an explanation for how so many crabs can survive at shallow-water hydrothermal vents.
- Earth
A Portrait of Pollution: Nation’s fresh water gets a checkup
Virtually all of America's fresh water is tainted with low concentrations of chemical contaminants, according to a new nationwide study.
- Earth
Dead Waters
Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems.
- Earth
Dead zones may record river floods
Microorganisms that live in seafloor sediments deposited beneath periodically anoxic waters near the mouths of rivers could chronicle the years when those rivers flooded for extended periods.
- Agriculture
Fishy Alpha Males
As a way to protect wild fish stocks, raising genetically engineered fish may be futile should some of these modified fish escape into the environment.
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19405
This article reminded me of the old quote: “A fishing lure is any combination of metal, plastic, wood, feathers, hair, or other manmade or natural material attached to a hook (or hooks) and designed to attract fishermen.” To wit: Decades ago, to impress an office associate who was a trout-fishing traditionalist as to how random […]
- Earth
Tales of the Undammed
Although destroying dams is often presumed to restore rivers, the results of such action are actually mixed, according to recent studies.
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
- Tech
Sixth Sense
A budding technology called electric field imaging may soon enable devices such as appliances, toys, and computers to detect the presence of people and respond to their motions.
