Here's a sobering thought: Wild birds — including city pigeons and ubiquitous Canada geese — carry 170 different types of bird flu. You know, all those viruses with the Hs and Ns in their names, like H1N1 and H5N1.
Only a dozen of these viruses have infected humans so far, but many of those have been deadly, and three of them have caused global flu pandemics.
Does every bird flu that leaps into people have the potential to turn into the next "big one" that spreads rapidly around the world?
A new gastronomic guide to Rio de Janeiro's shantytowns — for a cool $35 — has just been published. A new boutique hotel perched on top of one of Rio's previously most dangerous favelas is about to open. And yes, there is a jazz club and yoga, too.
These are new services catering to a new kind of favela resident.
Have you ever met a baker whose last name was Baker, or a blacksmith whose last name is Smith? Then you might be familiar with the term "aptronym," a word that refers to a person's name that happens to suit her job or characteristics. In this game, host Ophira Eisenberg asks contestants about people both real and fictional whose last names are aptly suited to their professions.
Later, house musician Jonathan Coulton covers "Poisoning Pigeons In The Park," a seasonal favorite by Tom Lehrer.