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Submit ReviewThis week, a group of scientists gave a new explanation of why insects actually fly in circles around lights at night-time, and the reason may surprise you.
Guest: Dr Jonathan Webb, ABC Science Editor
BRAINTEASER (answer in the audio):
A farmer needs to take a goat, a dog and a bag of carrots across a river in a dinghy, one at a time.If she leaves the dog and goat alone they'll fight, and if she leaves the goat with the carrots it'll eat them.How many trips does she need to get everything across safely?
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