News tagged with thumb

Jumping gene enabled key step in corn domestication

Corn split off from its closest relative teosinte, a wild Mexican grass, about 10,000 years ago thanks to the breeding efforts of early Mexican farmers. Today it's hard to tell that the two plants were ever close kin: Corn ...

Sep 25, 2011
5 / 5 (3) 0 | with audio podcast

Researchers solve mystery of disappearing bird digit

Evolution adds and subtracts, and nowhere is this math more evident than in vertebrates, which are programmed to have five digits on each limb. But many species do not. Snakes, of course, have no digits, and ...

Sep 04, 2011
4.5 / 5 (6) 1 | with audio podcast

How to text message and avoid pain

While it is well known that excessive text messaging can result in sore thumbs, less is known about its possible effects on the neck, arms and hands. Young adults with symptoms in these parts of the body use ...

Jun 23, 2009
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