A Moment of Science

Posts tagged molecular signals

September 6, 2007

 

Soldier showing prosthetic arm

Lose an Arm? Grow a New One!

Yes, kids under eleven have been known to regenerate fingertips. Learn more on this Moment of Science.

June 27, 2006

 

chicken close-up

As Scarce As Hen’s Teeth?

Many organisms possess genes or traits that they do not express.

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