Archive: 06/03/2011

Tiny particles, big impact

Atmospheric aerosols may be small, ranging in size from a few nanometers to a few microns, but they have a big impact on climate.  At the Pacific Northwest National Laboratory, capabilities developed ...

Jun 03, 2011 5 / 5 (3) 0 | with audio podcast

Rising temperatures threaten a food crisis

A recent study reports that the geographical range of some agricultural crops -- such as corn and beans -- may be greatly reduced if temperatures continue to rise. While some farmers may be able to readjust ...

Jun 03, 2011 4.1 / 5 (9) 70 | with audio podcast

It doesn't add up

An important new finding by Harvard researchers indicates that cellular mutations responsible for an organism’s successful adaptation do not, when combined over time, provide as much benefit as they would individually ...

Jun 03, 2011 2.7 / 5 (3) 10 | with audio podcast

A supernova that's super different

A researcher at the Harvard-Smithsonian Center for Astrophysics believes that a new kind of supernova is at work in recent observations of bright but short-lasting stellar explosions that don’t appear ...

Jun 03, 2011 4.6 / 5 (12) 15 | with audio podcast

From pre-gut cells to glory

For all animals, development begins with the embryo. It is here that uniform cells divide and diversify, and blueprints are laid for future structures, like skeletal and digestive systems. Although biologists ...

Jun 03, 2011 4.5 / 5 (2) 1 | with audio podcast

River mystery solved

The pristine state of unpolluted waterways may be their downfall, according to research results published in a paper this week in the journal Geophysical Research Letters.

Jun 03, 2011 4.8 / 5 (5) 0