Bees are threatened worldwide by pesticides use

Traces of pesticides have been found in 75 percent of honey worldwide, concluded a study, led by Edward Mitchell of the University of Neuchatel in Switzerland. The frequency of contamination was highest in the North American samples (86 percent), followed by Asia (80 percent) and Europe (79 percent).

The strange "hum” was clearly recorded for the first time

A strange hum that has baffled people all over the world for decades has been recorded in the ocean for the first time, scientists said. Experts at France's Paris Institute of Earth Physics have recorded a humming noise from the bottom of the ocean. In fact, is a low frequency hum has been known about for nearly half a century.