New Scientist More Ig Noble Prize winners - The annual awards for achievements that "cannot or should not be reproduced" were presented at Harvard University on 3 October.

British poultry farmers trying to raise ostriches in the 1990s called in scientists to find out why their birds were failing to breed. Careful observations confirmed the birds were courting the farm workers rather than each other,

The economics prize was shared among a long list of corporations for "adapting the mathematical concept of imaginary numbers for use in the business world."