Figure 1: Model of Spir and Cappuccino cooperation in actin nucleation/polymerization. Together these findings establish actin nucleation by multiple WH2 domains as a general mechansim.

The impressive soda volcano is spurred by the surface properties ... for scientists to study scientific processes like nucleation — the first step in any phase transformation.

Explain that carbon dioxide bubbles form wherever there is a nucleation site. Chenille wire has a lot more surface than a plain ... Use index card to hold the contents of the tube in place. Open one ...