Ig Nobel Awards: Wacky science can have a serious side

We can't let a year pass without acknowledging the Ig Nobel Awards, those tongue-in-cheek salutes to dubious achievements in science that first make you laugh, and then think.

The gala awards ceremony takes place every September at Harvard before an audience of 1,100 "splendidly eccentric spectators", where authentic Nobel laureates hand out the prizes.

This year's prize was 10 trillion Zimbabwean dollars, a demonetized currency (a 100 trillion dollar Zimbabwean note is worth about 40 cents, so do the math). Here's a look at some of this year's winners.