The average person will probably have nothing in mind about his own solid waste except to get rid of it by flushing it. Thank goodness they didn't have johns 14,000 years ago or we might have less clues about our ancestors. Recently discovered in Oregon is the oldest native American DNA, and it's all because someone's feces lasted so long. Full story after the jump.

Taking the elevator might save you time, but not your life as it could lead to the probability of developing chronic diseases. This was the latest finding according to two studies done by the University of Missouri and the University of Copenhagen. Learn more about the studies in the full article.

 A group of researchers led by David Nash at the University of Copenhagen were able to find out how the Alcon blue caterpillars are able to trick ants into bringing them into the ants' lair. Mimicking chemical smells of the ants' young, these larvae live off from the ants until they fully develop and become adult butterflies.

They added that further understanding is needed for conservation efforts. More information regarding their study in the full article.