■ Denver’s Museum of Nature and Science, known for its dinosaur displays, struck pay dirt while drilling 750 feet underneath its own parking lot for geothermal heating potential. The core, only several inches wide, contained a hockey-puck-shaped dinosaur vertebrae—only the third time in the world that a core found a dinosaur fossil, according to the museum. It likely belonged to a small herbivore that lived some 68 million years ago. “It’s like hitting a hole in one from the moon,” said curator James Hagadorn.
■ Twenty years ago, Dr. Purva Merchant, a dentist in Seattle, made up an innocuous email for dental school applications that included her nickname, “the Tooth Fairy.” But in 2007, she received an odd email: A mother had forgotten to leave money under their child’s pillow…
