The basic mechanisms of visual attention emerged over 500 million years ago, study suggests

The brain does not need its sophisticated cortex to interpret the visual world. A new study published in PLOS Biology ...
Science Daily

Interactions between simple molecular mechanisms give rise to complex infection dynamics

Bacteria can themselves be infected -- by viruses. Not all viruses are harmful to bacteria and some can even benefit them. Can bacteria tell good and bad viruses apart? Scientists now studied how ...
Forbes

Color Differences Between The Sexes Driven By Simple Molecular Mechanisms

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. Sexual dimorphism — physical differences between the sexes of ...
BBC

Pulleys, levers and gears

Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...
Science Daily

Developmental origins of tooth classes in vertebrates: A new simple mechanism identified

The researchers from the HiLIFE Institute of Biotechnology, University of Helsinki compared two central bearded dragon lizards (Pogona vitticeps): a normal one and a mutant with no body scales. They ...