Search Results for: Bears
Skip to resultsCan’t find what you’re looking for? Visit our FAQ page.
6,896 results for: Bears
-
EarthA Gemstone’s Wild Ride
Diamonds may be carried to the surface in explosions of gas and rock fizzing up from deep within Earth's mantle.
By Sid Perkins -
EarthFire Retardant Catfish?
It may sound like a barbecue chefs dream: fish that wont catch fire and char when their fat spatters onto overly hot charcoal. But the facts are less appealing. Although many U.S. fish contain fire retardants, they wont protect your grilled fare from burning. In fact, these compounds, which go by the name of polybrominated […]
By Janet Raloff -
EarthBeefy Losses
Cattle ranchers are facing some puzzling–and, at times, economically devastating–problems with pregnant cows and calves. At some facilities, high numbers of fetuses are aborting for no apparent reason. Other farmers successfully raise what look to be normal young cattle, only to learn when the animals are butchered that their carcasses appear old and, therefore, less […]
By Janet Raloff -
EcosystemsThe Buzz over Coffee
Most people consider the continued spread of Africanized honeybees in the Americas as horrifying news. Nicknamed killer bees, these notorious social insects rile into stinging mobs with little provocation. But new research finds evidence that these irritable insects have been performing a hitherto unrecognized service for people around the world. They’ve helped keep down the […]
By Janet Raloff -
Health & MedicineFederal Government Launches Organic Standards
Though for decades some foods have carried the label “organic,” consumers never could be sure exactly what the term meant. Action by the Department of Agriculture last week should clarify things. USDA USDA On Oct. 21, USDA implemented regulations governing the production and labeling of organic foods. Until now, bodies from state governments to trade […]
-
Health & MedicineOh Boy—Is Mom Hungry!
At birth, boys tend to weigh about 100 grams (3.5 ounces) more than girls. An international research team wondered whether that meant that boys’ moms ate more during pregnancy. In data published this week, the scientists now confirm that’s exactly what happens. Though women eat more when carrying a boy, they don’t gain more weight […]
By Janet Raloff -
AgricultureCalling All Cows
Last May, tissues from the carcass of a North American cow turned up positive for bovine spongiform encephalopathy–the ailment responsible for mad cow disease. Within hours, the Canadian government traced the animal to the Alberta farm where it had been raised for its 8 years of life. In short order, other members of its herd […]
By Janet Raloff -
Health & MedicineCalcium Superchargers
Foods such as yogurts supplemented with fiberlike sugars are developing into the latest wave in functional foods–commercial goods seeded with ingredients that boost their nutritiousness or healthfulness. Makers of foods doctored with these unusual, nearly flavorless sugars claim that their products improve the body’s absorption of calcium in the diet, thereby offering bones a treat. […]
By Janet Raloff -
Health & MedicineWhat’s the Beef?
Beef certified as Angus may not always be as tender as consumers expect.
By Janet Raloff -
AgricultureLearning from Studs
Livestock gene banks offer dividends to researchers hoping to milk higher profits out of dairying.
By Janet Raloff -
Health & MedicineA Carrot Rainbow (with recipe)
There are more than aesthetic benefits from looking beyond orange when it comes to selecting carrots.
By Janet Raloff -
EarthNonstick Pollution Sticks in People
A new study reveals high blood concentrations of a potentially toxic component of nonstick products in people near a plant making Teflon.
By Janet Raloff