QUEENSLAND'S tough bicycle helmet laws are here to stay after a report found any relaxation could increase head injury rates by 50 per cent. Read Today's Paper Tributes & Notices.

The Hovding airbag collar has been designed to provide a safe alternative to the bicycle helmet without the detrimental effect that stack-hats tend to have on one's hairdo.

Caterpillar with a 'hat' of discarded heads uses it to fend off attackers, study finds Scientists have found that the caterpillar may use its unusual hat to protect itself from predators Doug Bolton ...