HomeGrown looks to the skies this week with an affectionate look at crows – and even a weatherman. Lyanda Haupt, author of “Crow Planet,” tells a fascinating tale of the intelligence, habits and, yes, benefits of the ubiquitous black bird. Dr. John Weatherly, research geophysicist with the U.S. Army Corps of Engineers, talks about the reasons for our Ohio Valley weather, describes the causes of fog, dew, and frost – and hazards a guess on what this winter might bring. Downloadable MP3Find out more: