A rare genetic mutation causes mammals -- and now fish -- to develop muscles that are twice the normal size.
A small percentage of neanderthal genes provided a significant boost to human health.
Genetic analysis of a shrunken head verifies anecdotal accounts of violent head-hunting in South America.
Scientists have engineered cells to produce fluorescent proteins, and then use those cells as lasers.
The genetic predisposition to play the field appears to be locked into the DNA of socially monogamous species, including humans.
Adding two genes raises the nutritional value of the cow's milk.
By manipulating four genes scientists have turned in skin cells into electrically active neurons.
The new bacteria is a hybrid of two existing ones that have combined to form a super-virulent strain.
Researchers manipulate DNA strands to solve computational problems.
The gene, identified as TRIM5, appears to offer protection from the deadly virus.