Related topics: genes · pregnancy · pregnant women

Scientists find new variations among sperm cells

The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males, finds a team of scientists. Its results, which provide a new understanding of the competition ...

Sudan's gold rush wreaks havoc on health

Sudanese mother Awadya Ahmed has long wondered why her youngest child Talab was born blind and unable to walk; now she suspects the piles of poisonous waste left by gold miners.

Scientists engineer synthetic DNA to study 'architect' genes

Researchers at New York University have created artificial Hox genes—which plan and direct where cells go to develop tissues or organs—using new synthetic DNA technology and genomic engineering in stem cells.

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