Posts Tagged 'biology'

Many Errors In Scientific Papers Blamed On Excel’s AutoCorrect

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According to Slate –

Excel is partially responsible for errors in 20 percent of scientific papers dealing with genes, according to a new study. In an effort to “raise awareness of the problem,” three scientists published findings that suggest one-fifth of all scientific papers about genes contain detrimental typos due to an Excel default setting that converts gene names to dates or numbers.

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Scientists Grow A Rat’s Leg In A Petri Dish

ratlegAccording to the Washington Post –

Harald Ott, a researcher and thoracic surgeon at Massachusetts General Hospital, is the proud parent of the world’s first lab-grown biolimb — a living, functioning, artificial leg that responds to stimuli and even circulates blood,  the hospital announced Tuesday. Though it’s still a long way off from made-to-order transplants for humans, Ott and other regeneration experts say that the tiny pink rat leg is a step toward the future of artificial limbs.

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Killer Sponges

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NationalGeographic.com reported –

There are about 8,500 species of sponges, a type of simple, mostly stationary invertebrate, and the vast majority passively filter their food on the seafloor. But in the past two decades, scientists have found 7 species of carnivorous sponges that attack prey—and the new discoveries bump that number to 11, said Lonny Lundsten, a biologist at the Monterey Bay Aquarium Research Institute.

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How Birds Really See the World [video]

Pacific Leaping Blenny – The Fish That Doesn’t Swim

PacificLeapingBlennyAccording to Sci-News –

The Pacific leaping blenny is a 4 to 8-cm-long tropical fish found in reefs in Samoa and the Marianas, Society, and Cook Islands, in the western and southern Pacific Ocean. It remains on land all its adult life but has to stay moist to be able to breathe through its gills and skin.

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Scientists Discover Oldest Living Animal (and kill it)

MingClam260x320CBS News reports –

A group of researchers working in Iceland in 2006 discovered a really old clam. They wanted to figure out just how old it could be, so they decided to open it up and count the growth rings along the clam’s hinge ligament. They got their answer — and it was shocking. They said the clam was 405 years old. They’d found the oldest living animal in the world (excluding primitive metozoans). Only, it wasn’t living anymore, because opening it up had killed the clam. And little did they know, their measurement was wrong. Ming the clam was an entire century older than they first calculated. They recently measured again. And now they say it was actually 507 years old.

continue reading HERE

 

Guppies – Zombie Studs Of Nature

guppy-sAccording to Science Daily –

June 12, 2013 — Performing experiments in a river in Trinidad, a team of evolutionary biologists has found that male guppies continue to reproduce for at least ten months after they die, living on as stored sperm in females, who have much longer lifespans (two years) than males (three-four months). Reznick explained that male guppies are brightly colored and very variable in coloration. Females prefer males with rare color patterns. A dead male with a long-lost color pattern can later give birth to a son who can now be preferred by females because he is different from all other males in the population. Because some females live so long, those sons can appear more than two generations after the father’s death.

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