Latest Keith Cheng Stories

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - A little striped fish has helped scientists begin to solve one of the biggest mysteries in biology -- which genes are responsible for differences in human skin, eye and hair color. The large, international team of scientists reported on Thursday that they had found a gene that makes African zebrafish of a lighter-than-normal color -- and say the same gene helps explain the light-colored hair, skin and eyes of many...

By Maggie Fox, Health and Science CorrespondentWASHINGTON -- A little striped fish has helped scientists begin to solve one of the biggest mysteries in biology -- which genes are responsible for differences in human skin, eye and hair color.The large, international team of scientists reported on Thursday that they had found a gene that makes African zebrafish of a lighter-than-normal color -- and say the same gene helps explain the light-colored hair, skin and eyes of many Europeans.While...

By Maggie Fox, Health and Science CorrespondentWASHINGTON -- A little striped fish has helped scientists begin to solve one of the biggest mysteries in biology -- which genes are responsible for differences in human skin, eye and hair color.The large, international team of scientists reported on Thursday that they had found a gene that makes African zebrafish of a lighter-than-normal color -- and say the same gene helps explain the light-colored hair, skin and eyes of many Europeans.While...