Search Results for: Fish
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Earth
Salmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.
By Janet Raloff -
Earth
A dietary cost of our appetite for gold
This Mothers Day, many moms will find their brood and mates proffering glittering booty: sparkling necklaces, earrings, bracelets, brooches, and rings fashioned in whole or in part of gold. There may also be gilded plates, glasses, and grandmas favorite–fragile, matched sets of hand-painted tea cups and saucers. As women admire these tokens of their loved […]
By Janet Raloff -
18931
Your article on marine no-take zones overly simplifies a much more complicated problem. The idea that at least some kinds of fish might be more plentiful and larger if they are not harvested over a period of years doesn’t really need much scientific study. However, this benefit is probably limited to specific species. For many […]
By Science News -
Humans
From the January 16, 1932, issue
A PHARAOH’S RIGHTHAND MAN Add the name of Ken-Amun, ambitious Egyptian politician, a Pharaoh’s righthand man, to the list of unusual personalities from ancient Egypt. Ken-Amun’s tomb, cut into a rocky hillside in the Valley of the Kings, has been known for almost a century, but has been strangely neglected. Now, it has been thoroughly […]
By Science News -
Chemistry
Molecules Leave Their Mark
A material etched with tiny, carefully shaped pores can act like an artificial enzyme, cell membrane, or receptor.
By Corinna Wu -
Ecosystems
Hurricanes’ full havoc yet to be felt
When Hurricanes Dennis, Floyd, and Irene pummelled North Carolina in the fall of 1999, they delivered a three-punch sequence that may, for years to come, disrupt fishing in the Atlantic Ocean.
By Sid Perkins -
Chemistry
Chemists redesign natural antifreeze
Researchers have synthesized a family of artificial molecules that resemble the compounds that keep Antarctic and Arctic fish from freezing.
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Ecosystems
Underwater Refuge
Efforts are under way to greatly expand coastal no-fishing zones.
By Janet Raloff -
19039
For a few unfortunate people, choline has a dark side. An inborn error of metabolism, trimethylaminurea, causes them to smell like rotting fish when they eat high-choline foods. Sara D. Brown Clinton, N.J. Good point. New labeling that identifies foods rich in choline should help people with trimethylaminurea avoid those foods. –J. Raloff As a […]
By Science News -
18922
“Dyslexia gets a break in Italy” brought to mind a remark I learned in grade school decades ago. It is: In English, the word fish can be spelled ghoti. That’s gh as in tough, o as in women, and ti as in nation: “ghoti” = “fish.” English can be difficult. Norman C. Peterson Sata Monica, […]
By Science News -
Materials Science
Mammal cells make fake spider silk better
Using long and abundant water-soluble proteins secreted by bioengineered mammal cells, scientists have spun the first artificial spider silk demonstrated to have some of the remarkable mechanical properties of the real thing.
By Peter Weiss -
Earth
Hormones: Here’s the Beef
Runoff of the hormones excreted by steroid-treated livestock could subtly harm aquatic life.
By Janet Raloff