Sales tax collections for the early part of this year’s holiday season are down across Kansas, and that includes Johnson, Wyandotte and Douglas counties. But some local shops are having a great year, by selling experience as well as stuff.
In a lab at George Washington University, painted lady butterflies flutter in mesh houses. This is where assistant professor Arnault Martin and his research group use the new gene-editing technique CRISPR to unlock secrets about the colors and spots on the butterflies’ wings. CRISPR has allowed them to isolate a precise gene that controls wing appearance, and they can shut it off at will.