Honeybee gene find ends 150-year search
...same csd allele can occur. These eggs develop into sterile diploid males. Worker bees find and kill these sterile males as larvae. That means that inbred honeybee colonies quickly die out. "This problem has haunted...Army awards up to $50 million to establish Institute for Collaborative Biotechnologies
...tions of temperature or deleterious chemicals or a sterile environment. Morse is well known for discoveries that helped inaugurate the emerging field of nano-biomolecular and biomimetic materials synthesis that is illustrative of the new Institute's research direction. One example is the lessons for semicon...Studies show preventive value of food supplements
... were fed daily in random groups, either receiving sterile water as placebo or experimental doses of 8 milligrams and 16 milligrams of sterile SB aqueous extracts. In the placebo group, palpable tumors developed at 19 weeks of age, and by 32 ...Patients give nod to kidney dialysis at home
...c tube or catheter into the lining of the belly. A sterile cleansing fluid is flushed through this catheter and allowed to dwell in the belly until wastes pass across the lining into the fluid. The fluid now filled with wastes is then removed from the belly via the same tube. Generally, peritoneal dialysis c...Case researchers substantiate bacterial link to preterm birth through mice studies
... she wanted to find out how the bacteria reach the sterile environment of the womb because F. nucleatum's presence is rarely found in the vaginal tract. "The number of bacteria can increase 10,000 fold when periodontal disease is present. This bacterium takes the opportunity to enter the blood stream when ......er than 200 nanometres and added the filtrate to a sterile medium. After a few weeks, the optical density of the liquid doubled, suggesting particles were self-replicating. Samples from aneurysms caused by a genetic disorder did not do this, nor did the density of the medium change if no filtrate was added....Parting genomes: UA biologists discover seeds of speciation
... southern California coast, mothers always produce sterile sons when crossed to D. arizonae males. Because th...tionary biology parlance--responsible for creating sterile sons must not yet be "fixed," or firmly established in D. mojavensis populations. And that is a tell...A gene that keeps species apart
...cies are capable of mating but produce inviable or sterile offspring. The classic example of hybrid incompat... the male donkeyfemale horse cross, which yields a sterile mule, but many other cases have been documented among mammals, and thousands of plant crosses produc...Assisted reproduction can't compensate for waiting too long to start a family
...rriage and the probability of becoming permanently sterile through age. "What it showed was that, under natural conditions, three-quarters of women starting to try to conceive at the age of 30 will start a successful pregnancy within one year. Two-thirds of those starting at 35 will be successful within one ...Dispute over life in Antarctic lake
...rt life. If so, Lake Vostok will be the only known sterile body of water on Earth. Though the lake itself has not been sampled, theoretical calculations predict that it has been pumped full of oxygen released from air bubbles in the overlying ice. None can escape, so oxygen concentrations are thought to have...Bright idea could doom cancer and viruses, say Purdue scientists
...ly harmful to a patient's body and guarantee safe, sterile blood for transfusions." The research, which appears in the current (Aug. 23) issue of Inorganic Chemistry, was conducted by lead author Elton L. Menon along with Rushika Perera, Richard J. Kuhn and Morrison, all of Purdue, and Maribel Navarro of the...