IO9 piece on what really wiped out the dinosaurs

"What Really Wiped out the Dinosaurs" on IO9 mentions "One Giant Step, a short story available in ebook and audio.

"There's a weird-as-heck twist on this idea in the story 'One Giant Step' by John E. Stith. In an alternate future, the super-intelligent descendants of the dinosaurs invent time travel..."

Thanks to Ryan for spotting this!