In the News
Successful Spawners Are Few And Far Between
The number of adult, female rockfish that successfully breed to help replenish the stocks of marine rockfish comprise less than 1 percent of the total fish population, new genetic studies have shown. [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. Microgravity Tower Will Offer Reduced-gravity Environment For Wide Ran
A new microgravity tower will allow scientists to study, in a reduced-gravity environment, many diverse phenomena in many fields including nanomaterials, new materials, fire-safety, metallurgy, biotechnology and combustion. The tower works by placing the experimental material inside a "drop capsule"that, when dropped from the top of the tower, allows the experiment to be in free fall (or zero gravity) for two seconds, enough time for scientists to make crucial observations about the phenomena being studied. Double Jeopardy: Obese Smokers At Higher Risk Of Death
People who are both very obese and who smoke increase their risk of death by 3.5 to 5 times that of people of normal weight who never smoke, finds a new study. Risk of death from circulatory disease jumped even higher to an increase of six- to 11-fold for those under age 65. Two Explosive Evolutionary Events Shaped Early History Of Multicellula
Scientists have known for some time that most major groups of complex animals appeared in the fossils record during the Cambrian Explosion, a seemingly rapid evolutionary event that occurred 542 million years ago. Now paleontologists, using rigorous analytical methods, have identified another explosive evolutionary event that occurred about 33 million years earlier among macroscopic life forms unrelated to the Cambrian animals. Tumor Growth Computer Model Sets Stage For Customized Cancer Treatment
A team of Vanderbilt and University of Dundee scientists envisions a future when computer simulations will be used to predict a tumor's clinical progression and formulate individualized treatment plans. The group has developed a mathematical model for cancer invasion powerful enough for this purpose. The result was published as an entirely theoretical paper in the journal Cell and represents a "sea change"in how biology is done. Green Algae: The Nexus Of Plant-Animal Ancestry
Genes of a tiny, single-celled green alga called Chlamydomonas reinhardtii may contain scores more data about the common ancestry of plants and animals than the richest paleontological dig. Researchers report on the results of a major effort to obtain the full library of genes, or the genome sequence, of Chamydomonas and to compare its roughly 15,000 genes to those of plants and animals, including humans. The research shows that this alga has maintained many genes that were lost during the evolution of land plants, has others that are associated with functions in humans, and has numerous genes of unknown function, but which are associated with critical metabolic processes. Bone Marrow Restores Fertility In Female Mice, Study Confirms
A new study confirms that female mice that receive bone marrow transplantation after fertility-destroying chemotherapy can go on to have successful pregnancies throughout their normal reproductive life. The report verifies that donor marrow can restore fertility in mice through an as-yet unidentified mechanism. While donor-derived oocytes were observed in the ovaries of marrow recipients, all pups born were from the recipients'own eggs. U.S. Census Bureau Facts for Features: Veterans Day
Contains facts and statistics regarding veterans in the United States, including women and African American veterans, wars served, where veterans live, and what veterans receive in benefits. Features quotes and audio clips. 'Electric' Fish Shed Light On How Brain Directs Movement
Scientists have long struggled to figure out how the brain guides the complex movement of our limbs, from the graceful leaps of ballerinas to the simple everyday act of picking up a cup of coffee. Using tools from robotics and neuroscience, researchers have found some tantalizing clues in an unlikely mode of motion: the undulations of tropical fish.
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