Tag: "environments" at biology news

4 October press briefing to focus on minority recruitment to science and engineering programs

...preme Court affirmed the value of diverse learning environments but struck down formulaic or points-based approaches to undergraduate admissions, a new report--scheduled for release 4 October--will clarify legally defensible options for protecting diversity in science and engineering programs. The report, Standin...

Atacama rover helps NASA learn to search for life on Mars

...dentifying living microorganisms and/or fossils in environments where life's density is among the lowest on the planet should provide leads to establish detection criteria and strategies for Mars or other planetary bodies," explained Dr. Nathalie Cabrol of the SETI Institute, Mountain View, Calif., and NASA Ames ...

Bronfenbrenner book sums up human development

...cology of human development, however, viewed these environments -- from the family to current society and the times -- as nested settings in which a person develops over time throughout the life course. Since 1979, when Bronfenbrenner published his bioecological theory, he has transformed how many social and beha...

Researchers ID chlorophyll-regulating gene

...s and some species of fern, thrive in moist, humid environments where their spores can stay safely above the soil surface. But all higher plants - from grasses to trees to agricultural crops such as wheat and corn - must have the ability to transition from the darkness of an underground environment to life above ...

AIBS tapped to coordinate design of ecological observatories

...periods of time, and by creating new collaborative environments across multiple scientific disciplines. The network will also provide unique educational opportunities for students and the public alike. A 10-member Senior Management Team will lead the consortium's suite of committees comprising more than 100 sc...

Scientists explore genome of methane-breathing microbe

...ism, suggesting an ability to live successfully in environments previously thought to be beyond its reach. The genome sequence of Methylococcus capsulatus a species typical of methane-breathing bacteria commonly found in soils, landfills, sediments and peat bogs includes a full and at times redundant toolkit o...

Viral suspect for amphibian decline traced to human spread through bait

...being distributed and introduced to uncontaminated environments by fishermen and interstate bait wholesalers. A research article by a team (see end of release) headed by Arizona State University ecologist James Collins forthcoming in the Journal of Molecular Ecology finds that the wild incidences of a devastating...

NHGRI launches Centers for Excellence in Ethical, Legal, and Social Implications Research

...research. In addition, the centers will create new environments to support the growth of the next generation of researchers on the ethical, legal and social implications of genomic research. Special efforts will be made to recruit potential researchers from under-represented groups. Elizabeth Thomson, M.S., R.N....

Testing the fitness of biological clocks

...nefits of biological clocks are directly linked to environments with regular day/night cycle and totally disappear in conditions of constant illumination. "Circadian clocks are so widespread that we think they must enhance the fitness of organisms by improving their ability to adapt to environmental influences, s...

Why some animals have smaller eyes: Lifestyle matters

... big eye or a small eye, and why? What is it about environments in which animals live that determines eye size? For his part, the Cornell neurobiologist has moved on to a new study of eye size throughout various stages of development. He observes that human eyes grow rapidly in the womb and for the first three mo...

Study explains spatial orientation differences between sexes

...er to design recreational, rehabilitation and work environments that ensure safety and top performance."...

Warmer weather, human disturbances interact to change forests

...ler, adding that this lag is especially evident in environments that are fragmented by human development, such as parts of northern Wisconsin. The project was completed using a newly released forestry-modeling program called LANDIS II, which is an expansion of the previous LANDIS program. Forestry scientists a...

'Crack babies' do better when placed with non-family caregivers

... care of people who were not relatives, had better environments than those cared for by their parents and performed better in several developmental areas. This improved performance existed despite the fact that these children experienced more problems at birth than the children who remained with their mothers, in...

90 million year old dino tracks found on resort island

... old rocks of Hvar to learn more about the ancient environments in which they were deposted, and in which the animals lived. While the team of paleontologists did not find any fossil lizards, they did find other fossils, and of course, they found the dinosaur trackway. The international team of scientists e...

When male fish hum, females swim in, thanks to hormones, adaptable hearing

...Upper harmonics propagate farther in shallow-water environments like those where midshipman males build nests and sing their love songs to attract females. But the females can't process this vital information and respond appropriately if they can't hear it. Steroid hormones appear to provide a key molecule that ...

Hormone helps fish to mate, may affect human hearing

...Upper harmonics propagate farther in shallow water environments like those where midshipman males build nests and sing their love song to attract females. "But the females can't process this vital information and respond appropriately if they can't hear it. Steroid hormones appear to provide a key molecule that l...

Oxygen sensing in worms may hold key to healthy blood pressure in humans

... be present in fish and other animals that live in environments where the oxygen levels fluctuate. It may also be similar to the mechanism by which the human body deals with hypoxia (oxygen deficiency). Says Bargmann, "We do monitor oxygen levels in our bloodstream, using a rice-sized organ called the carotid bod...

UCSD undergraduates participate in collaborative studies abroad on cyberinfrastructure

...le achieving greater understanding of the cultural environments of their host countries. Each undergraduate has a minimum of two mentors: one affiliated with UCSD, and another with the host institution. The host organizations are all connected to the Pacific Rim Applications and Grid Middleware Assembly (PRAGMA) ...

Researchers discover how worms' noses sense oxygen

...Organisms ranging from bacteria to humans navigate environments that can contain dangerously too little or too much oxygen. Yet, scientists know little about how animals sense oxygen levels around them. Researchers from the Berkeley and San Francisco campuses of the University of California have now discovered ho...

National study shows dog and cat allergens are universally present in U.S. homes

...ens had not previously been studied in residential environments on a national scale....

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