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Image of the Day
Beth Marie Mole | Oct 17, 2012
Overturning previous studies, a peculiar protozoan mysteriously uses a DNA-markup system to take out the genetic trash.
A Parasite’s Parasites
Ed Yong | Oct 15, 2012
French scientists identify a new giant virus, which carries the genome of a smaller virus and a new breed of mobile DNA.
Mites Remember Enemies, Fight Back
Dan Cossins | Oct 12, 2012
Mites that were attacked by rival species as juveniles attack the young of their former assailants more frequently when they reach adulthood.
SIV and the Expanding Virome
Sabrina Richards | Oct 11, 2012
Monkeys infected with simian immunodeficiency virus have a higher diversity of gut viruses, pointing to a possible role of the virome in SIV pathogenesis.
Typhoid Vaccine Recalled
Edyta Zielinska | Oct 10, 2012
An estimated 700,000 people immunized against typhoid may not be fully protected.
Cracking Down on Vaccinations
Bob Grant | Oct 9, 2012
A handful of US states are enacting laws that make it harder for parents to opt out of vaccinating their children against infectious diseases.
Slime Mold Smarty Pants
Jef Akst | Oct 9, 2012
A form of spatial memory helps a brainless slime mold navigate complex environments, hinting at the possible origins of memory in higher organisms.
Beth Marie Mole | Oct 4, 2012
A brewmaster is creating a signature concoction using yeast found in his facial hair.
Weeding Out Arsenate
Sabrina Richards | Oct 3, 2012
A miniscule change in a hydrogen bond angle explains how bacteria can select phosphate over arsenate even in high-arsenate conditions.
Salmonella Strain Spreads Alongside HIV
Dan Cossins | Oct 1, 2012
Researchers find that a deadly bacterial disease hitchhikes in people infected with the virus that causes AIDS to spread throughout sub-Saharan Africa.