Archive: 09/18/2007

Toward a faster prenatal test for Down syndrome

Scientists in California are reporting an advance toward rapid testing for pre-natal detection of Down syndrome and other birth defects that involve an abnormal number of chromosomes.

Sep 18, 2007
3.5 / 5 (2) 0

Sweet smell

What makes one smell pleasant and another odious? Is there something in the chemistry of a substance that can serve to predict how we will perceive its smell? Scientists at the Weizmann Institute of Science and the University ...

Sep 18, 2007
4.7 / 5 (3) 0

A warm South Pole? Yes, on Neptune!

An international team of astronomers using ESO's Very Large Telescope has discovered that the south pole of Neptune is much hotter than the rest of the planet. This is consistent with the fact that it is late ...

Sep 18, 2007
4.7 / 5 (26) 0

New cell death pathway involved in sperm development

Heavy and bulky sperm would not be good swimmers. To trim down, sperm rely on cell death proteins called caspases, which facilitate the removal of unwanted cellular material and radically remodel these cells ...

Sep 18, 2007
4.7 / 5 (3) 0