An international team of scientists has discovered a novel genetic trait that protects its carriers against the deadliest forms of malaria, while people without the trait are more likely to succumb to its fatal consequences.
This trait — a mutation or “polymorphism” in the NOS2 gene — controls the production of nitric oxide, a small chemical that can kill parasites and prevent malaria disease. Results of their study are published in the Nov. 9, 2002, issue of The Lancet.
The gen
Syracuse University researchers pick up where Darwin left off: Groundbreaking study to be published in the Nov. 8 issue of Science
When it comes to mating and determining whose sperm reaches the elusive egg, females control both the playing field and the rules of the game, according to a new study on male sperm competition vs. female choice to be published in the Nov. 8 issue of Science.
“Our study demonstrates, unambiguously, the active role females play in determining the condi
Emergency management teams, faced with an approaching hurricane, can access GIS map data through voice and gestures for real-time decision making on issues ranging from protecting hazardous materials sites to evacuating assisted-living facilities by using a computer system developed by Penn State researchers.
The research team says the system also can assist planners and transportation engineers visualize the impacts of potential developments and highways as well as help crisis management pe
Like rapidly flowing gases and liquids, magnetically confined plasmas in tokamaks and related fusion devices exhibit a high degree of turbulence, which can generally destroy the optimal conditions for producing fusion energy. In a deeply encouraging new result, scientists have experimentally confirmed that turbulence can actually limit its own ability to wreak havoc.
Researchers at the DIII-D tokamak at General Atomics have discovered that turbulence generates its own flows that act as a sel
In work that promises new insights into the cosmos and fusion-energy production alike, physicists have reported they have made the first three-dimensional laboratory measurements of magnetic reconnection, the main process by which magnetic fields release energy in the universe.
Magnetic reconnection is the phenomenon in which magnetic energy in a plasma is rapidly converted to heat and jets of energetic particles. This process is thought to heat the solar corona, the outer atmosphere of the
Understanding the timed messages within cells could lead to new medical treatments
Researchers from The Johns Hopkins University and other institutions have discovered a biochemical “clock” that appears to play a crucial role in the way information is sent from the surface of a cell to its nucleus. These messages can cause the cell to thrive or commit suicide, and manipulating them could lead to new treatments for cancer and other diseases, the researchers say.
The findings,