Archive: 24/04/2007

Sea snails break the law

Lizards gave rise to legless snakes. Cave fishes don’t have eyeballs. In evolution, complicated structures often get lost. Dollo’s Law states that complicated structures can't be re-evolved because the genes that code ...

dateApr 24, 2007 in
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Humans aren't the only ones with obesity problems

Horses are inheritably couch potatoes. An overeating, slothful horse leads to an obese horse. Unlike humans, however, horse owners often don’t see the dangers of an obese horse. Caretakers may see no harm in giving their ...

dateApr 24, 2007 in
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Reasonably priced and battery-driven: a pocket PCR device

A huge number of diagnostic techniques are based on PCR (the polymerase chain reaction): the use of PCR allows even the tiniest amounts of genetic material to be duplicated so that it can be analyzed. This should make things ...

dateApr 24, 2007 in
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Study of Planarians Offers Insight into Germ Cell Development

The planarian is not as well known as other, more widely used subjects of scientific study – model creatures such as the fruit fly, nematode or mouse. But University of Illinois cell and developmental biology professor ...

dateApr 24, 2007 in
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