Marijuana may damage oocytes — unfertilized eggs in female ovaries — in ways researchers worry may lead to infertility, miscarriage and possible genetic defects in babies, new research has found.

Researchers have combined over seven synthetic chromosomes that were made in the lab into a single yeast cell, resulting in a strain with more than 50% synthetic DNA that survives and replicates ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. OKLAHOMA CITY (KFOR) – Our bodies reproduce ...

THERE IS A PROBLEM," THE doctors say. But even before the words are out you've seen it in their eyes, sensed it in the way they peered at the baby as it struggled into life, bearing the mark of a ...