Cornell University researchers have published a new study which shows how the toothy, lighting-fast barracuda attacks its prey -- it slices it in half, scissor-style.
Standing water makes a perfect home for mosquitos to breed, and thunderstorms can dump buckets of water in the summer months. Kasey-Dee Gardner finds out if a wet summer will lead to a mosquito boom.
Dogs can distinguish between different types of growls, say researchers who recorded dogs growling while playing, in fear of a stranger, and guarding food. Jorge Ribas reports on the study.
Nakeye teaches her dog to deliver bags to doggy-owner who do not pick up their pets. Emily teaches her Jack Russell to hit the lights, turn on the music, and mix a drink.
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