Where do baby giraffes come from? Chris Tachibana reports, in The Scientist, that at Danish zoos, they result from relatively unrestricted breeding. In contrast, U.S. zoos tend to contracept (yes, it’s a word) their animals. @ChrisTachibana also discovered Scandinavian-American differences in attitudes about kids and what they should do on school break. More at ctachibana.com.