How can children from the same parents look so different? I mean, why don't all kids from the same parents look exactly alike, since the parents just have one set of chromosomes each and they don't change?
Scientists use agricultural biotechnology to create crops that resist pests and fight off disease. But some people are squeamish about eating these genetically modified crops. Are their fears justified? See more »
Some news organizations have reported that redheads will disappear by the year 2060. But this fiery breed isn't taking the news lying down, and there are rumors that blonds are on the way out, too. See more »
Some researchers on the quest for artificial life say they're only 10 years away from their goal. But could these artificial life forms turn into a science fiction nightmare? See more »
You might think of a sewing machine as that dusty thing that your mom would pull out to help you make a homemade Halloween costume. That's not quite the same device that has scientists so excited. See more »
In theory, if you could create a stronger mosquito that's unable to spread malaria and release them into the wild, they would replace the mosquitoes that can spread the disease. But until recently, there has been a major glitch in this concept. See more »
We've been raised with the belief that death is inevitable, so we must consider the legacy of what we'll leave behind. But what if you had unlimited time to pursue your life's work? What if you didn't have to die? See more »
Neanderthals and humans coexisted for thousands of years, but the relationship between the two species was always a bit dysfunctional. Could we get reacquainted with our evolutionary peers? See more »
You yearn to peer out the window of an SUV and watch a Tyrannosaurus rex lumber into a clearing. Your home movie of said event would be a YouTube sensation. Could it ever happen? See more »
Stud fees for premier racehorses can fetch hundreds of thousands of dollars. Could you make millions by producing a champion's exact genetic double? See more »
Hair loss affects millions of Americans -- men, women and even children. That's why a recent gene therapy study from a research group at the University of Pennsylvania has many people excited. See more »
