16/02/2012

Genes may travel from plant to plant to fuel evolution: study

The evolution of plants and animals generally has been thought to occur through the passing of genes from parent to offspring and genetic modifications that happen along the way. But evolutionary biologists from Brown University ...

Secret of sperm quality control revealed

Yale researchers have discovered how the "guardian of the genome'' oversees quality control in the production of sperm — and perhaps in many other cells as well.

Silver nanoparticles trap mercury

(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production of jewelry and for ...

Research finds arsenic supply at highest risk

Modern technology depends on reliable supplies of a wide variety of materials, but there is increasing concern about the dependability of those supplies.

Microbial oasis discovered beneath the Atacama Desert

Two metres below the surface of the Atacama Desert there is an 'oasis' of microorganisms. Researchers from the Center of Astrobiology (Spain) and the Catholic University of the North in Chile have found it in hypersaline ...

page 5 from 10