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Tag: "stones" at biology news

NASA links nanobacteria to kidney stones and other diseases

...y one million Americans who are treated for kidney stones each year. ...

Basic research leads to a novel cancer therapy

...d only in endothelial cells which are the building stones of new blood vessels. When Flk-1/VEGFR2 is made inoperative, this blocks the development of tumours. If no blood vessels are created in tumour tissue, the tumour fails to grow. This discovery led to the invention of what are called angiogenesis inhib...

How to grow a bigger brain

...eased growth of some parts of the brain when small stones are scattered on the bottom of their tank, according to a new study by researchers at UC Davis. The brains of those young fish were closer to those of salmon reared in the wild, and the fish also showed behavior closer to wild than to hatchery-reared...

U of M study examines kidney stone prevention in astronauts

...tronauts to reduce their risk of developing kidney stones while in space. Astronauts lose calcium in their ...ast 14 American crew members have developed kidney stones in the last 5 years, and as missions become longer, the number is likely to grow. While astronauts h...

Dinosaurs -- stones did not help with digestion

... researchers have assumed that they were helped by stones which they swallowed. In their muscular stomach th...mach is equipped with a layer of horn and contains stones which help to break up, crush and thereby also to digest food. Giant dinosaurs from the Jurassic ...

New evidence of 'human' culture among primates

...covered signs that Capuchin monkeys in Brazil bang stones as a signalling device to ward off potential preda... adults and juvenile monkeys were seen banging the stones together without paying him any attention at all - suggesting that the younger monkeys were learning...

Researchers find 6,000-year-old fossil evidence

...le to determine that people used the same grinding stones to grind corn, chili peppers and a root crop calle.... Pearsall found evidence of this diet on grinding stones from four ancient households at Real Alto, leading her to conclude that these foods were eaten by ev...

The chimpanzee stone age

...rcader, Christophe Boesch and colleagues found the stones at the Noulo site in Cote d'Ivoire, the only known prehistoric chimpanzee settlement. The stones they excavated show the hallmarks of use as tools for smashing nuts when compared to ancient human o...

Protein enables discovery of quantum effect in photosynthesis

... that occur between the ripples formed by throwing stones into a pond. The collaboration is a good illus...d energy excitations, like the ripples formed when stones are tossed into a pond. Electronic spectroscopy measurements made on a femtosecond (millionths of...

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