Wasps threaten airplane safety

Wasps are threatening airplane safety at Australia's Brisbane Airport. The keyhole wasps have identified an airplane's "pitot tube," an externally-mounted sensor that measures airspeed, as an ideal location to make a nest of mud and grass. "We realized that this wasn't just an inconvenience, that you just had to clean these things out and swat the wasps away," says Eco Logical Australia researcher Alan House. — Read the rest