David Letterman REALLY liked the dress that Alicia Keys wore on his show last night. I think she looked liked a bee. She would not be the first pop star to look like one!
"Individually, each wasp flew from the bottom of the T to the fork, where they could view an image on either side before picking one to touch. One of the two images delivered a mild and unpleasant shock. For each pair of images, wasps had 40 chances to learn which was a safer bet. When wasps were shown two distinct wasp faces, it only took about 10 trials before they learned to consistently choose the right one, the researchers report today in the journal Science. For the next 30 trials, they picked right about 75 to 80 percent of the time. The insects were eventually able to perform as [...]