In the News
Hubble Makes Movie Of Neptune's Dynamic Atmosphere
New NASA Hubble Space Telescope images of the distant planet Neptune show a dynamic atmosphere and capture the fleeting orbits of its satellites. The images have been assembled into a time-lapse movie revealing the orbital motion of the satellites. Amoebae Control Cheating By Keeping It In The Family
Cooperative single-celled amoebae rely on family ties to keep cheaters from undermining the health of their colonies, researchers say. In a study combining careful field work with painstaking laboratory research, biologists examined thousands of spores of the soil microbe Dictyostelium discoideum. Field studies revealed high-relatedness in wild colonies, and laboratory studies showed that cheating mutants couldn't gain a foothold in highly related colonies. [Ironic] An Italian pensioner committed suicide after his wife fell in
Recalling the end of Romeo and Juliet, the 70-year-old man, Ettore, who had sat by his wife's bedside for four months after she slipped into a coma following a heart attack, finally gave up hope and gassed himself in the garage of his family home.Less than a day later, his wife, Rossana, woke up in her hospital bed in Padua and immediately asked for him. Montreal Researchers Probe The Genetic Basis Of Memory
A group of Montreal researchers has discovered that GCN2, a protein in cells that inhibits the conversion of new information into long-term memory, may be a master regulator of the switch from short-term to long-term memory. Patient With Drug-resistant Form Of HIV Identified
Researchers have identified a patient with a unique variant of HIV that is resistant to multiple classes of antiretroviral drugs and associated with the rapid development of AIDS, reporting their findings in this week's issue of THE LANCET. Engineering Blood Vessels That Could Be Used In Human Body
Scientists have found a way to induce cells to form parallel tube-like structures that could one day serve as tiny engineered blood vessels. The researchers found that they can control the cells'development by growing them on a surface with nano-scale patterning. Schizophrenia Candidate Genes Affect Even Healthy Individuals
Do gene variants that convey risk for schizophrenia affect apparently healthy individuals? Although these genes are present in every human, individuals may have different versions of these genes, called alleles. While many people who possess these "risk alleles"do not end up with schizophrenia, this does not mean they are unaffected by the presence of the risk allele. Fatherhood Linked To Prostate Cancer Risk
A new study from Danish researchers has found that childless men have a lower risk of developing prostate cancer than fathers, and that, paradoxically, the more children a father has, the lower the risk of the disease. Cassini Finds Recent And Unusual Geology On Enceladus
NASA's Cassini spacecraft has obtained new, detailed images of the south polar region of Saturn's moon Enceladus. The data reveal distinctive geological features and the most youthful terrain seen on the moon. These findings point to a very complex evolutionary history for Saturn's brightest, whitest satellite. Key Regulator Of Blood Glucose Levels Discovered
In many patients with type 2 diabetes, the liver acts like a sugar factory on overtime, churning out glucose throughout the day, even when blood sugar levels are high. Scientists at the Salk Institute for Biological Studies discovered a key cellular switch that controls glucose production in liver cells.
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