A simple blood test can determine a baby’s gender as early as seven weeks into pregnancy, a new study says — far earlier and far less invasive than other options. The test could conceivably help parents who are worried about gender-related diseases, but it could also allow people to wade into the morally murky waters of sex selection.
Medicine and sociology: More bad news about mama's butts.
By Gunjan Sinha
Posted 04.11.2002 at 4:36 pm 0 Comments
Everyone knows that expectant moms who smoke risk damaging their babies' physical health. New evidence from a Danish study shows that smoking can also harm babies emotionally. Patricia Brennan of Atlanta's Emory University has found that the more cigarettes a woman smokes in the third trimester of pregnancy, the more likely her children are to be arrested for a crime or hospitalized for substance abuse.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.