Tag: "keep" at biology news

Student science contest participation influences study, career choices, alumni say

...e ABC and suspects that many academic institutions keep a close eye on the finalists in hopes of attracting them into their programs. "I really enjoyed the competition back in 1994," Merson said fondly. ...

Highlights of the October 2004 Journal of the American Dietetic Association

...long with regular physical activity, people should keep tabs on their portion sizes to help them manage the number of calories they consume. Researchers from The Pennsylvania State University examined whether eating a salad as a first course had any effect on intake of the main meal. ...

Far more men than women favor routine paternity testing at birth

...it would normally be advantageous for the woman to keep the child's paternity a secret so that her husband would continue to care for the child as if he were the father. "There's this fascinating aspect that when we ask the guys who do not favor paternity testing why they are opposed, more than half o...

Newly identified master gene key in baby's first breath

... lack the necessary amount of surfactant needed to keep the lungs working properly. Surfactant is a natural chemical found in the lungs that prevents alveoli - the tiny airways in the lungs - from collapsing and in turn allows the lungs to open when the newborn starts to breath. The absence of surfactant ...

Researchers devise potent new tools to curb ivory poaching

... originated, to help conservationists find ways to keep those species from extinction. Wasser and his colleagues have trained narcotics-detection dogs to find the droppings from endangered species over large remote areas. The dogs can track up to 18 species at once at distances greater than a quarter-mil...

Females may be more susceptible to overindulge 'sweet tooth' cravings than males

...ng the benefits of portion control and exercise to keep obesity at bay. But with some studies indicating that the rate of obesity is greater in women than in men, could it be that women are at a disadvantage when it comes to these obesity avoidance tactics? Is it possible that females are predisposed to...

Environmental issues center of Inland Northwest Research Alliance 4th Annual Symposium

...audience working to become future scientists - to keep abreast with the latest issues regarding a number of different Interior Department opportunities. The level of research being conducted and presented at the symposium provides an excellent mix of science professionals and government agencies working ...

Green, leafy spinach may soon power cellphones and laptops

... water-soluble state. One of the challenges was to keep the proteins in the same configuration as they app...t peptide turned out to be a wonderful material to keep proteins intact on the surface with electronics," Zhang said. He speculates that the detergent mater...

Students build submarine to track Octopuses

...ctopuses next year, Vincent has plenty of ideas to keep senior design teams busy for a long time. "The way...cent figures there's plenty of engineering work to keep senior design teams occupied for several years to come....

DuPont developing new protective suits for military, first responders

...llows sweat evaporation and body heat to escape to keep wearers cooler while blocking harmful agents from ...tform where we are developing new products to help keep people safe and protected." On Aug. 30, the U.S. Army Soldier Systems Center at Natick, Mass., aw...

Bacteria use 'molecular lasso' to cop copper

...xic to the bacteria. Thus, methanobactin serves to keep copper under control and protect the bacterial cel... free-trading market. Methanobactin also seems to keep other bacteria out of the market. "Synthesized compounds analogous to some parts of the methanobacti...

Origin and Development of the Vertebrate Traits

...hanisms of animal development and regeneration. To keep up with advances and identify future directions in these rapidly evolving fields, the CDB inaugurated a program of annual symposia covering diverse aspects of developmental biology and regeneration and aimed at promoting the free and timely exchange ...

Single isolated mouse skin cell can generate into variety of epidermal tissues

... which are expressed specifically in the bulge and keep the stem cells from dividing in the test tube. "In the niche, these factors might help to keep stem cells in a holding pattern -- an environment that inhibits growth -- and that is why they have ...

Small, Smac-like molecule encourages death of cancer cells

...eins (IAPs), which, if not countered by Smac, will keep the cell alive and growing. In cancer cells, IAPs tend to be overexpressed, and the signals that tell mitochondria to release Smac are often defective. That's why the UT Southwestern-developed Smac mimic, which can enter the cytoplasm of cells unhind...

DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows

...tion, eye development and mental tasks. DHA helps keep the brain membrane fluid, moves proteins and helps to convert signals from other parts of the body into action. Cheap sources of DHA include coldwater fish, like salmon, halibut, mackerel, sardines and herring. These fish consume algae, which is hi...

Study reveals first genetic step necessary for prostate cancer growth

...known as tumor suppressors, which normally work to keep cells dividing at a healthy pace. Cells with defective or missing tumor suppressors lose their brakes on cell division, a hallmark of cancer. The researchers developed a system using mice that were genetically engineered to self-destruct one or both ...

Purdue study finds antioxidant protects metal-eating plants

... DNA and other cell components. Most plants try to keep the levels of metals in their cells at a minimum, but plants called metal hyperaccumulators have the unique ability to build up unusually high levels of metals in their tissues without any ill effect. Previous research indicates that hyperaccumulator...

Green tea research leads to gum and other products

...GCG can lower the ROS level [of healthy cells] and keep it low," Dr. Hsu said. "This is very exciting because perhaps we can use EGCG to protect healthy cells and prevent side effects from medications that impair salivary function and cause dry mouth." For instance, oral cancer treatment can severely dama...

Streptococcus infects humans by thwarting blood clotting

...n the bacteria could mutate their streptokinase to keep up. So, you can see how one bacterial species and one host get locked in this evolutionary dance and would evolve apart from other host-bacterial pairs -- ending up with a multitude of variants of streptococci, one for each host. "This evolutionary m...

Strep disrupts blood clotting to infect humans

...n the bacteria could mutate their streptokinase to keep up." The findings also suggest that subtle variations in plasminogen genes among humans may explain why some people are more susceptible to strep infections than others. ...

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