Can talking to a plant make it grow faster? In the past, scientists studied the effect that human speech has on a plant’s growth. Those results were inconclusive. But here is another question to ponder: can plants talk to each other? If so, what’s the result? In this audio story, a scientist shares information about the world of plant communication. Listen to hear how plants communicate with each other -- and humans!
Current Event July 22, 2019
One of the world’s favorite holiday traditions has a long history. Fireworks started in ancient China where people used explosives because they were believed to ward away evil spirits. From their beginnings as simple noise makers to the dazzling aerial displays that light up our night skies today, fireworks have relied on chemistry to create the sounds and colors that provide excitement and enjoyment. Listen to hear a chemist explain the history and science behind a worldwide celebratory tradition.