Tag: "front" at biology news
Tears reveal some of their deepest secrets to researchers
...g symptoms that includes microscopic damage to the front
of the eye. The eyes may ache, burn, feel extremely dry or excessively tear. The researchers report their findings in the current issue of the journal Investigative Ophthalmology and Visual Science. They collected oily meibum secretions from the ...
Be afraid, be very afraid, if you learned to
...in the prelimbic cortex, which is located near the front
of the brain and close to the midline between the two hemispheres. These rats spent only 14 percent of the time freezing to the sound of the tone. Yet the rats' innate, or natural, fears seemed unaffected by blocking the prelimbic cortex; they froze...
Fighting to keep Darwin in the classroom
...ationism ammunition for our school teachers on the front
lines of this ongoing battle. Today, on Darwin's 198th birthday, Springer announces plans for a new journal which will do just that. A father-and-son teama world-renowned evolutionary biologist and a highly skilled and sophisticated science high s...
Walking tall: UH student working on space suit redesign for NASA
...le redesign ideas are to alter the pack to fit the front
and back of the space suit evenly or create a pack that attaches closer to the waist, which would lower the astronaut's center of gravity. It's the same idea as if you were balancing on a surf board bending your knees and staying low. This lowers you...
Is there a pilot in the insect?
...er land, the image of the ground below sweeps from front
to back across the central part of the visual field, creating an "optic flow", which is defined as the angular speed at which the ground contrasts move past. By definition, this angular speed is equal to the ratio of the horizontal speed and the alt...
AAAS honors defenders of evolution with Scientific Freedom and Responsibility Award
...n, and nine science teachers who have been on the front
lines of the battle to prevent introduction of "intelligent design" into science classrooms as an alternative to evolution, are recipients of the 2006 AAAS Award for Scientific Freedom and Responsibility. Scott has been tireless in her efforts to ...
Scientists identify protein that may promote migraines
...sory perception, including pain and touch, for the front
of the head. The UI findings reinforce the emerging view that CGRP receptors in the trigeminal nerve play a key role in migraine headache. However, there are other CGRP receptors throughout the body, and elevated CGRP levels are implicated in other...
A rarity among arachnids, whip spiders have a sociable family life
...oke their offspring with their long, thin whiplike front
legs and how the siblings congregate in social gro... long, have two elongated pedipalps (like arms) in front
tipped with stilettos that are used to capture prey. The first pair of legs has developed into long ...
Making mice with enhanced color vision
.... "If you gave mice a new sensory input at the front
end, could their brains learn to make use of the extra data at the back end?" asks Jeremy Nathans M.D., Ph.D., professor of molecular biology and genetics, neuroscience, and ophthalmology at Hopkins. "The answer is, remarkably, yes. They did not requ...
Fossil discovery marks earliest record of limbloss in ancient lizard
...er. The researchers soon realized the lizard's front
limbs were not formed during development. "There w...ink it would be the opposite," said Caldwell. "The front
limbs would be useful for holding onto dinner or digging a hole but it must be developmentally easie...
Are all male's liars and cheaters? Yes -- if they're crayfish!
...r almost anything! Male crayfish possess enlarged front
claws that they use to intimidate and fight with their competitors. An international team of researchers, led by Robbie Wilson from the University of Queensland, wanted to understand determinants of social dominance in these aggressive animals. The s...
First impressions: Computer model behaves like humans on visual categorization task
...e skeleton of a theory of vision. The huge task in front
of us is to incorporate into the model the effects of attention and top-down beliefs." The team is now exploring what happens after the first feed-forward sweep, during the next 200-300 milliseconds of object recognition. The Poggio lab plans to in...
Biofuels: More than just ethanol
...ernate fuel sources, ethanol has become one of the front
runners. Farmers have begun planting corn in the hopes that its potential new use for corn will be a new income source. What many don't realize, is the potential for other crops, besides corn, to provide an alternate energy source to fossil fuels. ...
Researcher finds negative effects of colonization on slash-and-burn farming method in western Borneo
...ave always adjusted and responded to conditions in front
of them, both positively and negatively." ...
Humans aren't the only ones with obesity problems
...initis, a painful condition that often affects the front
hooves. The weight of the bone is suspended in the hoof with connecting tissue forming a structure similar to a swing on a swing set. The extra weight in obese horses forces the connective tissue to tear and the bone breaks through the nail-like text...
Study shows response to financial loss parallels brain's processing of pain
...sults showed that areas of the striatum toward the front
of the brain were more active when subjects did be...d aversion-based activity across the striatum from front
to back. "Although an impressive amount is known about how the brain learns about financial gains...
How to steer a moving cell
...anize specific groups of signaling proteins to the front
or back of the cell is what drives cell polarizati...esearchers developed a method to cross section the front
and back of the chemotactic cell in order to analyze the components of its protein network. The cel...
How plague-causing bacteria disarm host defense
...'s immune system. In essence, they knock down the front
door of resistance and disarm the cell's alarm system. Now, researchers at the University of California, San Diego (UCSD) School of Medicine have identified a novel molecular target for an effector protein called YpkA, one of several effectors of t...
Nurtured chimps rake it in
... cloth (non-functional). The reward was placed in front
of the rigid side of one rake, and in front
of the flimsy side of the second rake. The animals who picked the rake with the food reward on the ...
Yale journal examines the global impact of cities
...nmental Studies. What is new here is recognition, front
and center, that they have a global role to play. Industrial ecology, an emerging field that examines the relationship between industry and the environment, is especially adept at analyzing the flows of resourcesmaterials and energy and their envir...
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