Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own wear out.5 Comments
Whether you see life as a glass half-empty or half-full may depend on a single, hormone-delivery gene, scientists in Britain reported Wednesday.
family desperate to save a child from a lethal brain disease sought highly experimental injections of fetal stem cells -- injections that triggered tumors in the boy's brain and spinal cord, Israeli scientists reported Tuesday.
Doctors have identified two genetic mutations that control the growth and development of malignant gliomas, a particularly deadly and difficult-to-treat type of brain tumor.
No stomach for the ups and downs of the financial market? Or maybe you lost everything in the global economic downturn? Genes important for mood and risk-taking likely played a clear role, U.S. researchers reported on Tuesday.
Picture this: Prospective parents excitedly clicking through an online catalogue, ticking off the optimal mix of traits for their yet-to-be-conceived child.
Genetic testing can reveal secrets -- sometimes surprising and sometimes predictable -- about a person's origins.
Scientists in the United States have pointed the finger at seven genes that appear to play a role in psoriasis, a study published on Sunday says.
DNA taken from the hair of two extinct Tasmanian "tigers" suggests the Australian marsupials last seen 70 years ago may have become too inbred to survive as a species, researchers reported on Monday.
A gene found on the X chromosome harbours the first sex-specific genetic variant linked to a greater susceptibility to Alzheimer's, according to a new study.