DNA

Invasion Of The Molecular Math Robots

With great complexity, we manufacture things like jet airplanes, interplanetary probes, medical tools, and microprocessors. We build with a top-down approach, starting with a big picture concept which we then design and assemble in pieces.  ​

Duke University professor of computer sciences, Dr. John Reif, notes that nature works from the bottom up to assemble complex structures in three dimensions. He and his lab are working on that.

How Snakes Lost Their Legs

Scientists in Florida say they've pinpointed a genetic process that caused snakes to lose their legs and have found that embryonic pythons still form "cryptic leg skeletons," millions of years later.