8,240 results
8,240 results for: Fish
- Math
A Minimal Winter’s Tale
The organizers of the Breckenridge snow sculpture championships in Colorado must be getting used to having a mathematical element in their annual competition. A simple version of Enneper’s surface just before (above) and just after (below) it self-intersects. The award-winning snow sculpture of Enneper’s surface. For the second year in a row, a team assembled […]
- Ecosystems
Fish Epidemic Traces to Novel Germ
A new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish.
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From the May 7, 1932, issue
MONKEYS GET BALD LIKE MEN It is no longer fair to blame your barber or beautician for that bald spot; nor can you lay your gray hairs onto worry over your childrens naughtiness or your brokers shortsightedness. Getting bald or going gray are just primate traits, like walking on two legs instead of four, according […]
- Ecosystems
Streamers could save birds from hooks
A test on active longline fishing boats finds that an inexpensive array of streamers can reduce accidental deaths of seabirds by more than 90 percent.
- Earth
Hawaii’s Hated Frogs
Wildlife officials in Hawaii are investigating unconventional pesticides to eradicate invasive frogs—or at least to check their advance.
- Humans
Treaty Nears on Gene-Altered Exports
In an effort to help preserve biodiversity, negotiators from 130 nations crafted rules of conduct for international trade in living, genetically engineered organisms.
- Health & Medicine
Prostate protection? This is fishy
Diets rich in fish may cut a man's risk of prostate cancer.
- Ecosystems
Deprived of Darkness
From anecdotal reports of little-studied phenomena, researchers suspect that artificial night lighting disrupts the physiology and behavior of nocturnal animals.
- Earth
Ocean View
Ocean observatories have revealed unexpected discoveries, and now scientists want to widen the lens.
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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 […]
- Earth
Satellites could help track sea level
Experiments that used signals from Global Positioning System satellites to precisely measure altitude above a lake's surface may pave the way for fleets of spaceborne sensors that can quickly and inexpensively monitor local and global changes in sea level.
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18983
From a cattleman’s perspective, I would like to add to your timely article that besides the benefits that would come to the environment from stopping the use of pharmaceutical growth promoters in cattle, we would also have a more tender product to market. An under-reported side effect of the use of growth stimulants is about […]
