Wednesday links

The Surprising Science of Why It’s Dark at Night, Animated.

How to survive an atomic bomb: insurance company ad, 1951.

Italian opera buffs: Giuseppe Verdi was born 199 years ago today.

10 Scary Halloween Dog Costumes.

Study of how we behave in elevators and the history of human hair.

Teens Feed Laxatives to Seagulls, Which Defecate on Crowd.

Read more here: http://blogs.herald.com/dave_barrys_blog/#storylink=cpy