01/07/2008

Crossed (evolutionary) signals?

What do humans and single-celled choanoflagellates have in common? More than you'd think. New research into the choanoflagellate genome shows these ancient organisms have similar levels of proteins that cells in more complex ...

'Mind's eye' influences visual perception

Letting your imagination run away with you may actually influence how you see the world. New research from Vanderbilt University has found that mental imagery—what we see with the "mind's eye"—directly impacts our visual ...

The Day the World Changed

Twenty years ago, a network engineer named Hans-Werner Braun started an e-mail message to the users of the National Science Foundation's (NSF) fledgling NSFNET project with that sentence to announce that the network's main ...

Fires Burning Near Big Sur, California

Fires near Big Sur, Calif., continued to burn unchecked when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this image on Sunday, June 29.

Phoenix Scrapes 'Almost Perfect' Icy Soil for Analysis

NASA's Phoenix Mars Lander enlarged the "Snow White" trench and scraped up little piles of icy soil on Saturday, June 28, the 33rd Martian day, or sol, of the mission. Scientists say that the scrapings are ideal for the lander's ...

Pocket-sized magnetic resonance imaging

The term “MRI scan” brings to mind the gigantic, expensive machines that are installed in hospitals. But research scientists have now developed small portable MRI scanners that perform their services in the field: for ...

Care-O-bot 3: Always at your service

Who doesn’t long for household help at times? Service robots will soon be able to relieve us of heavy, dirty, monotonous or irksome tasks. Research scientists have now presented a new generation of household robots, the ...

New technique produces genetically identical stem cells

Adult cells of mice created from genetically reprogrammed cells—so-called induced pluripotent stem (IPS) stem cells—can be triggered via drug to enter an embryonic-stem-cell-like state, without the need for further genetic ...

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