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Tag: "adapted" at biology news

One species, many genomes

...p breeders to produce varieties that are optimally adapted to rapidly changing environmental conditions," explains Weigel. He is already collaborating with the International Rice Research Institute (IRRI) in the Philippines to apply the methods and experience gathered with Arabidopsis to twenty different ric...

The insect vector always bites twice

...sect vector bites. The vector saliva, which is adapted for blood feeds, plays a prime role in the transmission of the associated diseases. It contains numerous proteins, including immunogenic ones that can modulate or induce a human immune response. Working for the EpiVect programme initiated in 2003 (1)...

UI anthropologist, colleagues discover remains of earliest giant panda

... a separate lineage apart from other bears and was adapted to eating bamboo very early in its development. “Pandas are very unique bears -– the only bear species that is known to exist wholly on a vegetarian diet,” says Ciochon. “The evolution of this unique dietary specialization probably took millions o...

3-D ultrasound scanner provides in-depth view of the brain

...gineers at Duke's Pratt School of Engineering have adapted a three-dimensional ultrasound scanner that might guide minimally invasive brain surgeries and provide better detection of a brain tumor’s location. The “brain scope,” which is inserted into a dime-sized hole in the skull, may be particularly usefu...

Ice Age extinction claimed highly carnivorous Alaskan wolves

...their skulls and teeth, which were robust and more adapted for forceful bites and shearing flesh than are those of modern wolves. They also showed a higher incidence of broken teeth than living wolves. “Taken together, these features suggest a wolf specialized for killing and consuming relatively large p...

Alien plants attack using 'resource conservation' as weapon, researchers say

...able to compete with indigenous plants, which have adapted to their habitats over thousands of years. But a new study by Stanford University researchers finds that invasive plants can flourish in low-resource environments by adopting efficient ways to use available resources. The finding, which sheds new ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...erested in underwater noise effects and only later adapted their work to noise in muscle. (2pUW9; contact Karim Sabra, ksabra@mpl.ucsd.edu ) MEASURING VOCAL STRESSES IN TEACHERS In classrooms, teachers need to speak frequently, and often loudly, risking occupational damage to their voices. How much ...

Tracking sperm whales and jumbo squid

...ous studies, Gilly found that jumbo squid are well adapted to the low-oxygen environment in deeper waters, where they spend most of their time. However, he added, at depths of 800 feet or more, where it’s very cold and oxygen levels are extremely low, the squid’s reaction time, visual acuity and swimming spe...

Loss of a universal tRNA feature reported

... see how different aminoacyl-tRNA synthetases have adapted to discriminate between their cognate or related substrates and the now less distinctive tRNAHis." ...

Robotic exoskeleton replaces muscle work

.... However, in a relatively short time, the wearers adapted to the new strength and used their muscles less because the exoskeleton was doing more of the work. Their gait normalized after about 30 minutes. The next step is to test the device on patients with impaired muscle function, Ferris said. ...

Fitness has fallen since the days of Ancient Greece

...hat these ancient athletes were genetically better adapted to endurance exercise than we are today." Dr Rossiter worked closely with Professor Boris Rankov, Professor of Classics at Royal Holloway, University of London to interpret the details of the endurance of the ancient rowers from classical texts. M...

NASA predicts nongreen plants on other planets

... one appreciate how life on Earth is so intimately adapted to the special qualities of our home planet and Sun," said Kiang. ...

New sucker-footed bat discovered in Madagascar

...t tropical forests because the bat appears to have adapted very well to the large broad-leaf Ravenala that are often pioneering plants in zones where the original forests have been cleared and burned. "For now, we do not have to worry as much about the future of Myzopoda," said Steven M. Goodman, Field...

Scientists unlock secret of what makes plants flower

...ding production seasons or designing plants better adapted to changing climate." ...

Studies yield insight into the numerical brain

...on of the subjects' brains, which subsided as they adapted to the stimulus. However, the activation rebounded when the subjects were presented with an abrupt change in the quantity, whether it was represented in the same (dots versus dots) or different (dots versus Arabic numerals) notation as the original. ...

How to manage forests in hurricane impact zones

... "Coastal areas in the southern United States are adapted to disturbance from both fire and high wind," says Stanturf, project leader of the SRS disturbance ecology unit based in Athens, GA. "But those adaptations only go so far in the face of a major hurricane. Forest owners and natural resource managers n...

Bumblebee house warming -- it takes a village

...ng or lowering temperature. Because they are well adapted to cooler and temperate climates, bumblebees are important pollinators of a number of food crops including blueberries, cranberries, huckleberries and greenhouse-grown tomatoes, peppers and eggplants. To study task performance, the researchers glu...

'Juiced-up' battery fueled by sugar could power small portable electronics

...r this they use a standard test with words. Veling adapted this test to determine if the brain actually suppresses the distraction. Mango Veling asked study subjects to remember words that were strongly associated with each other. For example, fruit-mango, fruit-peach, animal-giraffe, animal-sheep. ...

Molecular tools make the cut

...r this they use a standard test with words. Veling adapted this test to determine if the brain actually suppresses the distraction. Mango Veling asked study subjects to remember words that were strongly associated with each other. For example, fruit-mango, fruit-peach, animal-giraffe, animal-sheep. ...

Brain fends off distractions

...r this they use a standard test with words. Veling adapted this test to determine if the brain actually suppresses the distraction. Mango Veling asked study subjects to remember words that were strongly associated with each other. For example, fruit-mango, fruit-peach, animal-giraffe, animal-sheep. ...

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