Brown University

A typo in the Declaration of Independence?

Dissemination of public documents was slow and labor-intensive in 1776. It’s too late to know for sure, but it’s interesting to speculate why a colonial printer — hurried, perhaps carried away ...

Jul 04, 2012
4.5 / 5 (2) 2

Selenium suppresses staph on implant material

Selenium is an inexpensive element that naturally belongs in the body. It is also known to combat bacteria. Still, it had not been tried as an antibiotic coating on a medical device material. In a new study, ...

Jun 21, 2012
5 / 5 (2) 2 | with audio podcast

Lariats: How RNA splicing decisions are made

Lariats are discarded byproducts of RNA splicing, the process by which genetic instructions for making proteins are assembled. A new study has found hundreds more lariats than ever before, yielding new information about how ...

Jun 17, 2012
5 / 5 (3) 0 | with audio podcast

Recreational fishing causes Cape Cod salt marsh die-off

Recreational fishing is a major contributor to the rapid decline of important salt marshes along Cape Cod because it strips top predators such as striped bass, blue crabs, and smooth dogfish out of the ecosystem, according ...

Jun 11, 2012
3.7 / 5 (3) 0

A SMART(er) way to track influenza

In April 2009, the world took notice as reports surfaced of a virus in Mexico that had mutated from pigs and was being passed from human to human. The H1N1 "swine flu," as the virus was named, circulated worldwide, ...

Jun 11, 2012
5 / 5 (1) 0 | with audio podcast

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