Scientific advancements in the present greatly derive from historical findings, often unexplained, and the occurrence of the “Bio-Duck” is one fine example. In 1982, researchers from New ...

You might think the sounds you noticed coming from those wetlands are the distant quacking of ducks. You’d be wrong. Or you ...

As for the duck, it’s a toy that had a couple of watch batteries and a small PCB inside. Some poking around led him to a pad that activates the quacking when grounded.