Episode #397

Puzzle: There are three switches downstairs. Each corresponds to one of the three light bulbs in the attic. You can not see the lights in the attic from where the switches are located. You can turn the switches on and off and leave them in any position. How would you identify which switch corresponds to which light bulb, if you are only allowed one trip upstairs?

Item #1 Fiction
Researchers have demonstrated that the teeth of toothed whales are not related to other mammalian teeth but have a distinct embryological derivation. http://www.sciencedaily.com/releases/2013/02/130219091005.htm
Item #2 Science
A new study finds that a magnetic bracelet-like device was effective in reducing esophageal reflux. http://www.nejm.org/doi/full/10.1056/NEJMoa1205544
Item #3 Science
New research finds that bilingual children have greater working memory and executive function than their monolingual counterparts. http://canal.ugr.es/social-economic-and-legal-sciences/item/63121

“The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is.” – Winston Churchill