Single-cell genome analyses reveal the amount of mutations a human brain cell will collect from its fetal beginnings until death.
April 1, 2011|
By Richard P. Grant Taking Shape Aimin Tang / Istockphoto.com HIDDEN JEWEL Floral bouquets are the most ephemeral of presents. The puzzle of how flowers get their shape, however, is more enduring. It’s a question that has kept Enrico Coen, a plant biologist at the John Innes Centre in the United Kingdom, busy for more than twenty years. Now he thinks he may finally have a handle on the answer, thanks to a clever combination of detailed image an