Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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dense and low

"One of the challenges is marrying that really high-technology, high-innovation space with the realities of food production," Everstine comments. It's just not practical to test everything.