Tag: "bit" at biology news

Audience pick: Older violin, sweeter music?

...olins apart," Nagyvary said. The whole even is a bit of a scientific experiment that the public will take part in, he said. Violin dealers surely disagree with Nagyvary's well-published assessment that Stradivariwas hardly different from other violin makers of his day. "Stradivary was a good ...

Scientists: Cloak of human proteins gets HIV into cells

...gets into cells, people have said that this little bit of infection can't be important," says Gould, an e...ig, doesn't mean it's not important -- this little bit of infection offers the retrovirus a chance to survive, mutate and thrive in infected people. In gen...

Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism

...rons and protons in the membrane have not. "It's a bit like watching electrons move through a computer chip," Smith said. "A microprocessor has far more complex and numerous routes for its electricity to follow than, say, a flashlight, which only has one. But while a chip uses electrons to flip tiny digi...

Building a better atlas of yeast proteins

... eighty percent expression level we detected was a bit of a surprise. Also, although we had hints that proteins existed at a wide range of abundances, until these measurements were made, there was no way to quantify that range." In addition to identifying many thousands of functional genes, the researche...

Bad Mileage: 98 tons of plants per gallon

...a gallon of gas. In U.S. units, that is equal to a bit more than 196,000 pounds or 98 tons. Dukes made similar calculations for oil, natural gas and coal to determine that it took 44 million billion kilograms (97 million billion pounds) of carbon in ancient plant matter to produce all the fossil fuel u...

Protein-hungry cells 'go fishing,' report Purdue biologists

...or for its own use. "Its method, at first, seems a bit unorthodox," Cramer said. "Colicin essentially has two parts connected to one another by a long rod, and it cannot fit through a single hole in the membrane. So once it finds its first hole, it has to go fishing for another." One of the colicin's hal...

Squirrel invasion sows seeds of change for future forests

...acorns and walnuts, in numerous locations. Being a bit squirrely, gray squirrels seldom remember where they bury every nut. This ensures that some nuts remain in the ground to germinate the following spring. "Scatter hoarding by gray squirrels is important to the germination success of these nuts," Swiha...

Yeast helps researchers better understand Parkinson's mystery

...ee what happens in the cell when we produce just a bit more of this protein than the quality-control system can handle," Outeiro says. "Does the biology of the protein change? Does it simply sit there? Does it cause problems to the cell?" When aSyn was produced at low levels, it made its way to the cell...

Scientists solve puzzle of how kinesin motor molecules walk or limp across cells

...eck is getting over-wound and under-wound a little bit every time it takes a step." Symmetry vs. asymmetry The discovery of the hand-over-hand movement led the researchers to try and tackle another unanswered question: Is there symmetry in the way kinesin walks? "It turns out that there are actually...

How lice and bird feathers stick together

...other birds by placing a harmless C-shaped plastic bit somewhat like a horse's bit between the upper and lower parts of the beak. Those birds couldn't completely close their beaks. T...

Mars mission scientist will live a 25-hour day

...s conference. So if, come January, Squyres looks a bit bleary-eyed in front of the cameras, remember that it might just be 2:30 a.m. back in Gusev Crater....

'Mad cow' mechanism may be integral to storing memory

...tion properly. "For a while we've known quite a bit about how memory works, but we've had no clear concept of what the key storage device is," says Whitehead Institute for Biomedical Research Director Susan Lindquist, who coauthored the study with neurobiologist Eric Kandel at Columbia University. "Th...

Scientists await first call from Beagle

...t to make a successful landing on Mars. "This is a bit disappointing, but it's not the end of the world," said Professor Colin Pillinger, lead scientist for the Beagle 2 project. "We still have 14 contacts with Odyssey programmed into our computer and we also have the opportunity to communicate through ...

If airbags work well, then Mars landing sites can be chosen more boldly, says UB geologist

...ding on Jan. 24 of the Opportunity rover will be a bit more challenging than the Spirit's bounce onto the... "The airbags seem to be able to withstand quite a bit of trauma." Gregg remembers attending a conference presentation a few years ago by Matt P. Golombek...

Progress in probing the mosquito's sense of smell

Today, we know a little bit more about one of mankind's deadliest enemies, the mosquito. Scientists have taken an important step toward understanding the mosquito's sense of smell, an avenue of research that may lead to better ways to repel the deadly insect. In a joint effort ...

MBL scientists confirm evolutionary exception

... was on a separate chromosome and all were quite a bit different from each other. These results, consistent with asexual reproduction, eliminate the possibility that bdelloids reproduce sexually and thus confirm that the organism has evolved without sexual reproduction or genetic exchange for tens of mil...

New species of desert shrew found in southern Arizona

...ritus E. Lendell Cockrum. "I can't help but have a bit of an ego trip about it," Cockrum said. "Thank goodness no one has named a skunk after me." A subspecies of mouse found in Kansas has also been named for Cockrum. The N. cockrumi shrew is among the smallest mammals in Arizona. It weighs only as much ...

Making of mouse marks move toward 'mitochondrial medicine'

...failure or death. For technical reasons, the tiny bit of genetic code carried inside the mitochondria just 37 genes out of tens of thousands of genes overall in humans has remained largely off limits to researchers. After all, most cells have anywhere from a few hundred to a few thousand mitochondria,...

Human evolution at the crossroads: Integrating genetics and paleontology

...sko continued. "These conceptual divides lead to a bit of isolation and separation, and are actually holding back progress in both research and training. This symposium will give us an opportunity to come together and talk across our differences." The true advancement in the understanding of human evolut...

Researchers receive $9.2 million for heart failure studies

... now there's a gap in knowledge. We know a little bit about this from mice and rats, and we know what the clinical problem is, but we don't know how to go from the basic genetic and biochemistry data to treating patients with a new therapy." ...

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