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Can plants think? They could one day force us to change our definition of intelligence

Can plants think? They could one day force us to change our definition of intelligence

Some might balk at the idea that plants made of roots, stems and leaves could have intelligence or consciousness. But scientists have actually been hotly debating this idea for decades.

Why you should always shake hands with a robot

Why you should always shake hands with a robot

There are many unspoken rules of human interaction, whether that’s whether or not to look them in the eyes, the firmness of the handshake, smiling or words of greeting. Little things like this can lead to big judgments about trustworthiness or social acceptability.