A quick change in chickens’ genes as a result of a papal ban on eating four-legged animals, the appeal of tragedy, and genetic defects in the “sixth sense,” with David Grimm.  

From the magazine 

In February of this year, one of the most regular phenomena in the atmosphere skipped a cycle. Every 22 to 36 months, descending eastward and westward wind jets—high above the equator—switch places. The Quasi-Biennial Oscillation, or QBO, is normally so regular you can almost set your watch by it, but not this year. Scott Osprey discusses the implications for this change with Alexa Billow.  

Read the research.  

[Image: ValerijaP/iStockphoto; Music: Jeffrey Cook]