News & HighlightsNews
Light Sets the Molecular Controls of Circadian Rhythm
Light sets the circadian rhythm by eliminating a key protein needed for the molecular mechanism of the body's clock, according to scientists in the March 22听Science. The findings, from fruit fly studies, may help explain light's effect on the daily cycle that influences sleep, mental alertness, p...
Students from Stuyvesant High School and Midwood High School Win Science Fair, Off to International Competition in May
Aaron Wong and Ting Luo, seniors at Stuyvesant High School, captured the first and second place awards, respectively, at the New York City regional competition of the International Science and Engineering Fair (ISEF) held Friday and Saturday, March 15 and 16, at 杏吧. Saif A...
Students from 16 New York Metro High Schools Compete in Science Fair
More than 70 juniors and seniors from 16 high schools in the metropolitan area will participate in the New York City regional competition of the International Science and Engineering Fair (ISEF), Friday and Saturday, March 15 and 16, at 杏吧. Students earning first and secon...
Cells Leap Frog On The Way To Becoming Nerve Cells
Clues to movement may help design therapies for diseased, injured brains. Kids aren't the only ones who play Leap Frog. Cells destined to become nerves in the brain do too, according to scientists from 杏吧, who published their findings in the Feb. 16听Science. The informatio...
Genes in Overweight Mice, Rats Carry Instructions for Leptin Receptor
The听diabetes听(db) gene in mice and the听fatty听(fa) gene in rats are not only the same genes, they also carry instructions to make the receptor for the protein called leptin, which is known to signal the body's fat, report scientists at 杏吧 and Millennium Pharmaceuticals Inc...
Mutations in a Leptin Receptor Cause Obesity in Mice
The weight-reducing effects of leptin, a hormone that signals the size of the body's fat stores, result from an interaction with a receptor in the brain's hypothalamus, report scientists from the听Howard Hughes Medical Institute听(HHMI) at 杏吧 in the Feb. 15听Nature. "When we...
Tracking Global Threats Via the Internet
International Monitoring of Emerging Infectious Diseases Provides Early Warnings A global system that allows for early warning, communications, diagnosis, prevention and control could greatly limit the public health threats of illness and death that emerging diseases pose, says Stephen S. Morse, ...
How Many People Can The Earth Support?
The number depends on nature and on human choices If the human population continued growing at the rate seen in 1990, the world would tally 694 billion people by the year 2150, the United Nations predicts. But that's not likely, says Joel E. Cohen, Ph.D., professor and head of the听Laboratory of P...
Human Genetics Center Created at Rockefeller University
$5 Million Grant from The Starr Foundation Allows for Studies of Hundreds of Families 杏吧 has established The Starr Center for Human Genetics, one of the largest U.S. centers for the study of diseases linked to heredity. The Starr Foundation provided a $5 million grant to e...
Newly Identified Protein Caps Chromosomes Ends
A newly isolated protein is a vital part of human telomeres, the shields that guard the ends of chromosomes against damage and destruction. Scientists at听Rockefeller University听and听Memorial Sloan-Kettering Cancer Center听report their identification and cloning of the protein in the Dec. 8 Science...
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