Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
The Persistent Problem of Cystic Fibrosis
Ten years after the discovery of the gene that, when mutated, causes cystic fibrosis, researchers are still struggling to understand why deadly lung infections are so common among people with the disease.
- Humans
Smallpox redux: World body suggests keeping the virus
Fear of bioterrorism has led the World Health Organization to postpone its 2002 deadline for destruction of smallpox virus stocks so that scientists can refine current vaccines and improve defenses against the disease.
- Health & Medicine
The right fats: Omega-3 fatty acids soothe inflamed colons
A diet containing fish oil, which is rich in healthful omega-3 fatty acids, reduces symptoms of a colitis-like condition in rats.
- Health & Medicine
Anthrax-toxin component deciphered
Scientists have figured out the molecular structure of edema factor, a component of the anthrax toxin.
- Humans
Forbidden tests: Panel seeks ban on human clones
A national advisory panel has asked Congress to forbid cloning aimed at creating a child but urged the lawmakers to permit other medical experiments with cloned human cells.
- Health & Medicine
Cancer clue: RNA-destroying enzyme may thwart prostate-tumor growth
Scientists have found a mutated gene that predisposes men of some families to prostate cancer.
- Health & Medicine
Painful Thoughts
It may not surprise people terrified by a visit to the dentist that one of the top pain research groups at the National Institutes of Health is located within the National Institute of Dental and Craniofacial Research. Check out the group’s history in NIDCR’s fascinating primer on the science of pain. Go to: http://history.nih.gov/exhibits/pain/
- Humans
Official chooses Nevada for nuclear waste
On Jan. 10, Energy Secretary Spencer Abraham notified Nevada's Governor Kenny Guinn by telephone that he intends to recommend that southwestern Nevada's Yucca Mountain site serve as the nation's long-term geological depository for high-level nuclear waste.
- Health & Medicine
Nicotine metabolism shows ethnic bias
A comparison of Latino, white, and Chinese-American smokers suggests that people of East Asian descent are apt to clear nicotine from their blood more gradually than the other smokers do, thereby staving off a craving for the next cigarette.
- Health & Medicine
Gene Variant Tied to Human Aging
Variants of a gene linked to mouse aging are more prevalent in elderly people than in newborns, suggesting that the gene influences human aging or specific age-related illnesses.
- Health & Medicine
Cloning’s ups and downs
Dolly, the world's first cloned mammal, has developed arthritis, and two biotech firms have turned to cloning in their attempt to create pigs with organs that human bodies won't reject when transplanted.
- Health & Medicine
Cancer fighter reveals a dark side
Overactivity of a tumor-suppressing gene shortens the lifespan of mice.
