Brown University

How ion bombardment reshapes metal surfaces

To modify a metal surface at the scale of atoms and molecules — for instance to refine the wiring in computer chips or the reflective silver in optical components — manufacturers shower it with ions. ...

May 23, 2012
5 / 5 (2) 0 | with audio podcast

Pollination with precision: How flowers do it

Pollination could be a chaotic disaster. With hundreds of pollen grains growing long tubes to ovules to deliver their sperm to female gametes, how can a flower ensure that exactly two fertile sperm reach every ...

May 17, 2012
5 / 5 (1) 0 | with audio podcast

Single nanomaterial yields many laser colors

Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...

Apr 29, 2012
5 / 5 (11) 0 | with audio podcast

Locked down, RNA editing yields odd fly behavior

Because a function of RNA is to be translated as the genetic instructions for the protein-making machinery of cells, RNA editing is the body's way of fine-tuning the proteins it produces, allowing us to adapt. The enzyme ...

Apr 24, 2012
5 / 5 (3) 0 | with audio podcast