Eoin O'Carroll
Activists, scientists spar over effort to restore American chestnut tree with genetic engineering
The American chestnut tree once sustained a way of life. Pioneers used the tall, straight, and fast-growing tree for fences, ...
‘Don’t touch my junk DNA!’ says gene signal sequence
The following is an edited excerpt. Almost all of the human genome is made of noncoding, or "junk" DNA, that ...
