Researchers have finally created an artificial human chromosome, a success that should answer many basic research questions and may even aid gene therapy efforts.
The National Science Foundation announced the two winners in its restructured supercomputer centers program.
Scientists have found what they believe is a genetic throttle that determines the severity of prostate cancer.
Pills built with three-dimensional printing technology have the potential to deliver tiny amounts of a drug.
Paleontologists have discovered the oldest known remains of sponges, regarded as the most primitive multicellular animal.
Because of different surface properties, sand and glass grains arrange themselves into separate layers when poured into a container.
Mice living in cages allowing a variety of activities have more cells in a brain structure involved in learning and memory than mice housed in cages providing only food and water.
A constituent of this natural vitamin may play a vital role in protecting the body from compounds that can damage DNA or cause inflammation.
A 17th century medical kit has turned up in two woven baskets from the U.S. Southwest.
Several lines of evidence suggest Europa once possessed --and might still contain -- an ocean beneath its icy crust, through which sunlight could penetrate to generate complex organic compounds.
Analyzing fragments of a Martian meteorite that contains a material that can form only in the presence of water, researchers report that water may have flowed on or near the Martian surface as recently as 700,000 years ago.
Protozoan parasites have an unusual organelle, seemingly acquired from algae long ago in an evolutionary gulp.
Aplomado falcons in Brazil pick up after wolves on the hunt.
Cattle egret mothers deposit extra aggression-enhancing hormones in eggs that are laid first.
Narcissists typically think unduly well of themselves, and their bloated evaluations expand even further when they watch themselves on videotape, reflecting an urgent need to stamp out external threats to their grandiose personal opinions.
Tests on monkeys indicate that a portion of the brain known as the posterior parietal cortex signals the intention to pursue particular types of action.
Sperm counts can vary dramatically between regions within the United States and from year to year.
Antiestrogens use the estrogen receptor to turn on different genes than those triggered by estrogen.
Tracking the future of the cosmos
The laws of physics provide clues about the long-term evolution and ultimate demise of the universe.
The science behind the controversial cloning of Dolly
A rich research history lies behind the recent cloning of a sheep from the DNA in adult cells, although many questions remain about how the cloning strategy of nuclear transplantation works.
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