Blame Lousy Airport Security On Evolution

While people typically blame incompetency when airport security screeners fail to keep dangerous weapons off airplanes or when doctors miss developing cancer tumors, the real culprit may be evolution, according to researchers at Harvard Medical School. Their new study published in Current Biology suggests that people simply haven't evolved superior skills for finding things that are rare. "We know that if you don't find it often, you often don't find it," said Jeremy Wolfe of Harvard Medical School. "Rare stuff gets missed." That means that if you look for 20 guns in a stack of 40 bags, you'll find more of them than if you look for the same 20 guns in a stack of 2,000 bags. read more

Read the whole article on

More from