Ben Creisler bcreisler@gmail.com I don't have a ref yet for the paper in Biological Reviews, but here are news stories: http://www.livescience.com/47025-dinosaur-killing-impact-bad-timing.html http://www.theguardian.com/science/2014/jul/28/dinosaurs-asteroid-bad-timing-killed-off-biodiversity-edinburgh-scientists