Plan Bee is a drone that pollinates flowers just like a real-life bee. Credit: Courtesy of Savannah college of art and design Bees in the U.S. are more endangered than ever, requiring protection ...

An curved arrow pointing right. A drone that uses retractable feather wings, mimicking the natural flight of birds, has been designed by researchers in Switzerland. More from Tech A drone that ...

So how do you build a better bee-bot? Previous designs featured eight wings in sets of two. As it turns out, the arrangement of these wings caused them to blow air into each other when they ...

Was the Queen Bee an offensive drone, or was it merely a device built ... fuselage of the de Havilland Moth Major with the engine, wings, and control surfaces of the de Havalland Tiger Moth ...