Russian Queens Bee-Little Mites' Impact
...uring the test period," Rinderer says. Instead "we got an average 3.9-fold increase—and many colonies had no increase. This is extremely exciting." Though many honeybee populations along the Primorski region of Russia's Pacific coast have had a century to develop natural resistance to the varr...Rock-Eating Microbes Could Signify Life On Mars
...es that have been blasted off the planet. "They've got everything youneed for life," he said, including carbon, phosphorous, small amounts ofnitrogen, and minerals that contain water, or evidence of water. The temperatures required to create life are less of a concern, hepointed out, as scientist...Out On A Limb: Young Burro Receives Artificial Leg At Colorado State
...ORT COLLINS--A five-month-old burro named Primrose got a leg up on lifein the form of a prosthetic hind l... the long-eared, waist-high, brown-coated Primrose got her newleg Aug. 31 under the supervision of Dr. Gayle Trotter, a Colorado Stateprofessor of clinical...Ribozymes Come Ready For Action
...t a picture is worth a thousand words and nowwe've got the picture," says Cech, who won the 1989 Nobel Prize in Chemistry forhis discovery of ribozymes. The results of Cech's group, spearheaded by HHMI associate Barbara Golden,appear in the October 9, 1998, issue of Science. They describe thethree-di...Did Fur Trappers Trigger Landscape Changes?
...ugh the first six-year segment of the project just got under way, Brushand herstudents have already uncovered interesting signs that fur traders in the early1700s may haveinadvertently altered the terrain. "The beaver population here was very high at the time of Europeansettlement," theresearcher sa...Glenn To Perform Purdue Soybean Experiment In Space
... time has exacted a personal toll on Vierling, who got help from Steve Goldman, a professor of biology at the University of Toledo. Goldman is a key patent holder of related technology. "I've had to spend more than a few nights and weekends to get this project ready to go," Vierling says. "Steve gave me ......ion is what's in the soil. "We know we've got the same functional groups," said Wall, listingbacteria, microorganisms, fungi, microalgae, protozoa, nematodes andinvertebrates in ascending order of size. "What we don't know is if we've gotthe same species or genera underground. So whatever we fin...UNC Researchers Reduce Arthritis Severity By Turning Off Molecular Switch
...is approach, we effectively blocked NF kappa B and got a dramaticincrease in apoptosis of inflamed synovial tissue," he says. "It appears that bytargeting NF-kappa B in the joint, we benefit by blocking inflammation andaccelerating apoptosis in the synovium. That's the way to make this tissueshrink." The...Hopkins Researchers Find Genetic Colon Cancer Change In Healthy Cells
...with MSI," says Feinberg. And those same patients got coloncancer 14 years earlier than the others, on average. "We don't yet know if LOI is causal for cancer," says Feinberg. Knowingthat, he says, would be especially useful because, unlike conventionalmutations, LOI is potentially reversible. ...The Comet That Wiped Out The Dinosaurs May Have Washed Up Boulders Onto Hills In Arkansas
...rto fit in with the surrounding landscape. "You've got boulders that are 25 feet(7.6 metres) in diameter, that are up on a 250-foot (76-metres) tall hill," saysGary Patterson of the University of Memphis in Tennessee. "It looks like thePlanet of the Apes up there." At a meeting of the Geological ...History Of The Rainforest Told In Song
...er places. "If we played the local song, the birds got really aggressive. They looked asthough they were ready to beat the hell out of the intruder. "But when we played them the song from a different place, they just ignored it -as if it had been the song of another bird species." The picture that is em...Calcium Channel Blocker Slows Hardening Of Arteries In Some Key Arteries, But Not Others
... months. The differences between those who got amlodipine and those who gotplacebo, as measured by ultrasound, were highly significant in the commoncarotid artery, the major carotid artery. Byington noted that the heart catheterization and the ultrasonographywere really measuring differen...Molecular Mechanism For Evolution Described
...ion. When she crossed the defective offspring, she got an even greater numberof curious progeny. Lindquist and Rutherford also noticed that the typesof abnormalities that kept cropping up were specific to particular populations.For example, when the Hsp 90 deficient flies were crossed with one population...Montana State University Scientist Contributes To Latest Dinosaur Discovery
... "It's mostly my experience at Egg Mountain that got me involved in theexpedition to South America this spring," Jackson said. She first visited Egg Mountain 11 years ago with her son and his twocousins. The experience changed her life, Jackson said. The geology, more thanthe dinosaurs, captiv...New Phylloxera Strain Poses Threat Primarily To Grape Nurseries
...w at this pointabout where it came from and how it got here." The earlier strains of phylloxera that caused growers to spend millions on new,more resistant rootstocks does its damage by attacking roots. Theorange-colored, aphid-like louse sucks nutrients out of the roots until theycrack and spli...Saving Endangered Species Becomes Part Of Ag Center's Animal Reproduction Projects
Survival for many endangered wildlife got a boost recently whenrepresentatives from the Louisiana State University system and the AudubonInstitute in New Orleans signed an agreement to work more closely on animalreproduction projects. One of their first projects will be trying to sa...UCSF Study Finds No Association Between Hair Dye And Non-Hodgkin Lymphoma
...d on a smallnumber of people who used hair dye and got lymphoma." She cited a 1992 study that concluded that women who ever used any type ofhair color product were at a 50 percent increased risk for NHL. However, shesaid that the present study included twice as many women and four times thenumber of......microgravity experiments planned for space station got their start -or an important boost - from early work in the Middeck Glovebox, a tinyenclosure carried aboard the Space Shuttle and Mir. In the glovebox, astronautswere able to conduct experiments that are highly promising, but don't quitewarrant a fu...Chemists Discover New Processes In Fuel-Cleaning Catalysis
...tes a more effectivecatalytic reaction. "After we got the nickel atoms to stay still on themolybdenum disulfide surface we were able to measure their electronicproperties, and we found the cluster's empty electron orbitals were greatlyenhanced," Weiss says. "Occupancy of electron orbitals at specific e...International Genome Team Deciphers Genetic Instructions For A Complete Animal
...forthfrom St. Louis to Cambridge yearly until they got too big. The group leaders,Waterston and Sulston, later resorted to regular Sunday phone calls. "Fortunately," said Waterston, "John is a nightowl." "Scientists are supposed to be lonely people, but it really has been fun andvery rewarding working ...