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Does your family use chemicals – like bug spray – to keep insects and other creepy crawlies out of your house? An international team of scientists just found that some sparrows do too!

Written by Sarah Kellett Atop a blade of grass waits a baby worm. Sheep graze all around in the South Australian pasture, ripping up mouthfuls of juicy greenery. The worm quivers as a mouth nibbles nearby. Then finally, the moment arrives.