Cornell investigators are reporting a discovery explaining one of the most fundamental aspects of the DNA replication process. With the help of a micron-sized plastic bead attached to the DNA, Michelle Wang and colleagues from the Dept. of Physics, have shown that DNA double helix is actively separated by a helicase enzyme. The group's research was published in the latest issue of Cell: Join discussion...

The most detailed probe yet into the workings of the human genome has led scientists to conclude that a cornerstone concept about the chemical code for life is badly flawed. The ground-breaking study, published in more than two dozen papers in journals on both sides of the Atlantic, takes a small percentage of the genome to pieces to draw up a "parts list," identifying the biological role of every component. Join discussion...

If you've been anxiously awaiting the day that you could analyze your DNA in the comfort of your own home, then you wait is over. Plop down 15 grand and get your analyzing on! Join discussion...