Archive: 12/18/2006

What is Life

At the Astrobiology Science Conference last March, Astrobiology Magazine organized a debate about alien life. Using Peter Ward's book, "Life As We Do Not Know It" as a launching pad, the participants debated everything from ...

Dec 18, 2006
4 / 5 (5) 0

Hybrid welding process developed

U.S. scientists say they've developed a hybrid process involving the use of a laser in friction-stir welding to extend the application to more materials.

Dec 18, 2006
3.2 / 5 (6) 0

Thundersnow Often Means Lots of Snow

It's rarely a good sign when a snowstorm produces lightning and thunder, according to University of Missouri-Columbia atmospheric scientists, who warn that such weather behavior is often the precursor to a bigger problem: ...

Dec 18, 2006
3.8 / 5 (13) 0

Making Better Magnetic Nanoparticles

Using a polymer coating designed to resemble the outer surface of a cell membrane, a team of investigators led by Steve Armes, Ph.D., of the University of Sheffield in the United Kingdom, has created a highly stable, biocompatible ...

Dec 18, 2006
4.3 / 5 (11) 0

Nanoparticles Designed for Dual-Mode Imaging

Nanoscale, inorganic fluorescent imaging agents such as quantum dots have become an important tool for researchers studying key biomolecules involved in cancer. At the same time, magnetic iron oxide nanoparticles are proving ...

Dec 18, 2006
3.3 / 5 (4) 0

Spitzer Picks Up Glow of Universe's First Objects

New observations from NASA's Spitzer Space Telescope strongly suggest that infrared light detected in a prior study originated from clumps of the very first objects of the universe. The recent data indicate ...

Dec 18, 2006
4.3 / 5 (19) 0