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Tag: "cool" at biology news

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...ts such as menthol, a natural product of mint, and cool air. They reported their discovery, or "cloning," of the receptor in "Nature" (March 7, 2002), hypothesizing that the receptor would play a key role in sensing cold. However, some subsequent papers questioned this theory. In the current study, the...

Scripps research team sheds light on long-sought cold sensation gene

...tration that a single gene is responsible for most cool temperature sensation," says team leader Ardem Pat... postulated to play a role in our ability to sense cool temperatures, but none have withstood the test of genetics," he says. TRPM8 was first discovered...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...e interaction between sleep and immunity. "The cool thing is that many of the clock genes are conserved between flies and vertebrates; we have 'period' and we have 'timeless'," said Schneider. "As usual, it doesn't work in exactly the same way, but what the fly does is let us find genes that are invol...

From the deep -- Researchers find new species of sea anemone

...to study sea anemones. "These creatures were so cool simply because we knew that no sea anemone had ever been found on a whale fall," she said. Once a whale dies, its carcass sinks to the bottom of the ocean. Scientists call this a "whale fall." The anemones that Daly received once lived on the bone...

Bones in motion: Brown scientists to create new 3-D X-ray system

... movies of flying bats or flexing knees. It's very cool technology that is also very important from a biomedical standpoint." The system will be designed and built with a $1.8-million grant from the W.M. Keck Foundation, one of the nation's largest philanthropic organizations and a major supporter of p...

MIT model helps researchers 'see' brain development

... “We can't open the brain and see by eye, but the cool thing we can do now is see through the MR machine,?a technology that is much safer than earlier techniques such as X-ray imaging, said Yu. The first step in analyzing these images is to align their common anatomical structures, such as the “centra...

Enhancing activity of marijuana-like chemicals in brain helps treat

... "That was sort of expected," said Malenka. "The cool new finding came when we thought to use drugs that boost the activity of endocannabinoids." Based on prior knowledge of endocannabinoids and dopamine, they speculated that the two chemicals were working in concert to keep the inhibitory pathway i...

Bumblebee house warming -- it takes a village

...ees or brood. Other workers fanned their wings to cool the nest when the temperature became too hot. Performance of various in-nest tasks is not interchangeable among these social insects. Instead, the researchers found strong evidence for job specialization, even when a colony was artificially forced...

Fruit flies and global warming -- Some like it hot

...ratures, but the heat hardened flies did poorly on cool days. Loeschcke and Hoffmann did field releases with colored flies exposed to different heat hardening treatments to get estimates of a fitness component in the wild. They used the likelihood to be caught at baits in field sites without natural re...

Immunization rates hit record high in poor countries

...e they take an ecosystem down as they fall. In cool hollows and along shady mountain streams the hemlock has grown for millennia where other trees wouldn't thrive: a quiet giant soaring to over 150 feet. With a range from Alabama along the Appalachians into the Canadian Maritimes, its shaggy crown cre...

Fungal factories may save hemlock forests

...e they take an ecosystem down as they fall. In cool hollows and along shady mountain streams the hemlock has grown for millennia where other trees wouldn't thrive: a quiet giant soaring to over 150 feet. With a range from Alabama along the Appalachians into the Canadian Maritimes, its shaggy crown cre...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

...vides insight into how seals allow their bodies to cool (become hypothermic) during a dive, presumably to ...n, the researchers found that the seal's brain may cool about 3° C during the dives. The cooler brain requires less energy and oxygen and reduces the chance...

What animals can tell us about hemorrhage, organ transplants and aging

...s, a form of suspended animation. Keeping their cool When a person suffers a stroke, heart attack or severe hypothermia, it is not the loss of blood flow (ischemia) that causes the greatest damage to the organs and tissues, explained Andrews. Instead, the greatest damage occurs when the blood flow i...

With record resolution and sensitivity, tool images how life organizes in a cell membrane

... lipids together, then placed them on a surface to cool and separate into splotchy patterns. This is the system that Longo had developed for other purposes in earlier work. ''The tall guys tend to like each other and the short guys tend to like each other and shorts and talls tend to separate,'' Boxer sa...

When it comes to gene transcription, random pauses aren’t quite so random, study finds

...and binds to itself. "Kristina made these totally cool DNA templates that have the same 240-base pair sequence repeated over and over again eight times in a row," Block said. When molecules of RNAP were attached to the templates, they behaved as predicted, pausing briefly at all of the backtrack and hair...

Research reveals inner workings of immune system 'thermostat'

...system cells let loose another protein compound to cool down the immune response. Precisely how this immune system "thermostat" operates is unclear. The leading hypothesis is that these compounds ?which act as furnace and air conditioner ?battle it out over control of the system's inflammatory response....

Healthy coral reefs of Madagascar resisting damage from climate change

... other Indian Ocean reefs. The researchers believe cool water currents from adjacent deep ocean areas offset the warming effects of climate change. "The resiliency and health of the coral reefs with their biodiversity and endemism makes the reefs of Madagascar a high conservation priority," said Gerald R...

Stable polymer nanotubes may have a biotech future

Editor : See how a nanotube is created in this cool movie Scientists at the National Institute of Standards and Technology (NIST) have created polymer nanotubes that are unusually long (about 1 centimeter) as well as stable enough to maintain their shape indefinitely. Described in a new paper in Pr...

Climate change drives widespread amphibian extinctions

...ees centigrade). The fungus kills frogs mostly in cool highlands or during winter, implying that low temperatures make it more deadly. So the idea that it flourishes in warm years, which the evidence now supports, is new. The study results come at a time of growing concern about the future of amphibians...

UF researchers develop ways to keep the bloom on the rose

...place the flowers in a clean vase. Keep roses in a cool place, away from heat vents and out of direct sunlight. The findings also can be applied to lilies and alstromeria, to keep their leaves green even after they go into a vase. Previously the leaves of these crops were susceptible to yellowing, said N...

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