Biology news

The anatomy of petal drop in sunflowers

Despite their consumer popularity as cut flowers, some sunflowers are difficult to market because of their tendency to lose petals soon after their flowers open. This characteristic, "petal drop", which in some varieties ...

Jan 14, 2015
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Captive breeding alters snail behaviour

Research published today in the Journal of Molluscan Studies carried out by Dr Sarah Dalesman, Leverhulme Trust Early Career Fellow at Aberystwyth University's IBERS, and James Liddon (University of Exeter) ...

Jan 14, 2015
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Sweet potato leaves a good source of vitamins

Sweetpotato is known to be a good source of ascorbic acid (vitamin C) and certain B vitamins that are considered essential to human health. Besides the commonly consumed root of the plant, certain tissues in sweetpotato are ...

Jan 14, 2015
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How cells communicate

During embryonal development of vertebrates, signaling molecules inform each cell at which position it is located. In this way, the cell can develop its special structure and function. For the first time ...

Jan 14, 2015
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New idea on how the zebra got its stripes

(Phys.org) —A small team of researchers affiliated with the University of California has found little evidence to support prior theoretical explanations of why zebras have evolved to have stripes and instead ...

Jan 14, 2015 report
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