Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Aging protein saps muscle strength
Proteins crucial for muscle strength begin to function poorly as rats get older.
- Health & Medicine
HIV outwits immune system, again
The AIDS virus uses immune system proteins to hitch rides on the antibody factories known as B cells, possibly helping it find potential host cells.
- Health & Medicine
Bacteria Provide a Frontline Defense
Bacteria genetically engineered to secrete microbe-killing compounds can fight disease in mice and rats.
- Health & Medicine
Busy hospitals may not be best choice
A large number of heart surgeries done at a hospital doesn't always correlate with a low mortality rate from such operations at the facility.
- Humans
Better protection from mad cow disease
The Food and Drug Administration has announced several new measures to keep meat that's potentially infected with mad cow disease out of food supplies.
- Health & Medicine
Surgery removes grenade from soldier’s head
Colombian military doctors extracted an intact grenade from the head of a teenage soldier.
- Humans
From the January 27, 1934, issue
alt=”Click to view larger image”> FLASH-OVER AT 125,000 VOLTS Beauty is, indeed, the most important if not the only reason for the choice of this week’s front-cover picture. A glass insulator, of the kind that electrically isolates high-tension [power lines] so that they may carry their power uninterruptedly, is shown flashing over after withstanding a […]
- Humans
The Chosen: A New Crop of Scientific Minds; Student science competition announces finalists
Forty high school students from 14 states and the District of Columbia have been selected to compete for the top prizes in the 2004 Intel Science Talent Search.
- Health & Medicine
Wine Surprise: Heart-protective effect is independent of antioxidants
Two studies in mice suggest that, if wine protects against heart disease, it's probably not because of the antioxidants that the drink contains.
- Health & Medicine
Good to the Bone: Strontium compound prevents some fractures
An experimental drug containing strontium makes bones denser and decreases the risk of fractures, a study of elderly women finds.
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- Health & Medicine
Bacteria Brew a B Vitamin Boost
When looking for naturally rich sources of cobalamin, better known as vitamin B12, most people turn to meats. Because the essential nutrient generally isn’t present in plants, vegetarians run the risk of deficiency, which can cause neurological symptoms from tingling toes to disorientation and memory problems. Many of these people therefore turn to synthetic supplements […]
