Matthew Rockloff, left, and Nancy Greer give their acceptance speech after winning the Ig Nobel Economics Prize during ceremonies at Harvard University in Cambridge, Mass., Thursday, Sept. 14, 2017.

Matthew Rockloff and Nancy Greer give their acceptance speech after winning the Ig Nobel Economics Prize during ceremonies at Harvard University in Cambridge, Mass., on Thursday. The pair won for ...

The annual awards for research "that makes you laugh, then think" also singled out scientists who determined that having contact with a crocodile... Can a cat be both a liquid and a solid? Does ...

BOSTON -- Scientists who discovered old men really do have big ears, playing the didgeridoo helps relieve sleep apnea, and handling crocodiles can influence gambling decisions are among this year's ...

Can a cat be both a liquid and a solid? Does contact with a crocodile influence a person's willingness to gamble? And do old men really have big ears? Those are just a few of the questions studied by ...

BOSTON (AP) -- Scientists who discovered that old men really do have big ears, that playing the didgeridoo helps relieve sleep apnea and that handling crocodiles can influence gambling decisions are ...