Archive: 09/18/2006

First penis transplant patient hated it

A Chinese accident victim who became the world's first successful recipient of a transplanted penis psychologically rejected it and asked for its removal.

Sep 18, 2006
2.6 / 5 (102) 0

Bitter Taste Identifies Poisons in Foods

Scientists at the Monell Chemical Senses Center report that bitter taste perception of vegetables is influenced by an interaction between variants of taste genes and the presence of naturally-occurring toxins ...

Sep 18, 2006
3.9 / 5 (7) 0

Why Evolution Drives Some Cells to Altruism

Nature has been capitalizing on the benefits of a specialized labor force long before Henry Ford made it popular. New research suggests the same principles Ford used have driven the evolution of complex organisms.

Sep 18, 2006
4.2 / 5 (11) 1

Research shows who dies when and where

In the United States, the best-off people, like Asian women in Bergen County, N.J., have a life expectancy 33 years longer than the worst-off, Native American males in some South Dakota counties - 91 versus 58 years. So concludes ...

Sep 18, 2006
4 / 5 (15) 0

Detecting Cancer with Silica Nanoparticles

Tumor necrosis factor-alpha is a widely accepted biomarker for cancer, but the minute amounts of this protein circulating in blood makes detecting the molecule and measuring its concentration accurately a technological challenge.

Sep 18, 2006
4.3 / 5 (13) 0

Project uses nanotubes to sniff out heavy metals

A team of researchers from Arizona State University and Motorola Labs has developed sensors based on carbon nanotubes, microscopically small structures that possess excellent electronic properties. In early tests, the new ...

Sep 18, 2006
3 / 5 (8) 0

Swotting up on sex differences

A University of Queensland researcher is investigating the genetic triggers of key differences between males and females including longevity and particular disease rates.

Sep 18, 2006
3 / 5 (5) 0

Materials scientists tame tricky carbon nanotubes

Based on a new theory, MIT scientists may be able to manipulate carbon nanotubes -- one of the strongest known materials and one of the trickiest to work with -- without destroying their extraordinary electrical ...

Sep 18, 2006
4.2 / 5 (32) 0

Evolutionary software to be released free of charge

New software developed by researchers at the University of Illinois at Urbana-Champaign allows scientists to more effectively analyze and compare both sequence and structure data from a growing library of proteins and nucleic ...

Sep 18, 2006
2.6 / 5 (19) 0