Today's the birthday of a mystery author known to millions of kids, Donald J Sobol. He wrote the Encyclopedia Brown series, about a 10 year old detective who solved cases because he knew, as his nickname suggested, all sorts of unusual and obscure facts in the era way before the internet.
There's work out of the University of Arizona that says solar arrays can be even more efficient if you grow food underneath the panels. And no, the panels don't block the plants from growing by taking all the sun.
