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Articles on Humans

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This skull, found in France, was among the first fossils to be recognized as belonging to our own species. DEA /G. Cigolini via Getty Images

How did humans evolve, and will we evolve more?

Our biggest evolutionary advantages are an ability to walk on two legs and our big brains.
Catnip induces changes in cat behavior. Anna Hoychuk

Is it unethical to give your cat catnip?

Catnip can induce changes in cat behavior. An expert argues that giving it to cats raises questions about human power and animal autonomy.
The robot Berenson in 2015. Stéphanie Leclerc-Caffarel

Why we don’t trust robots

Robots are strange creatures, and not only because they might steal our jobs. We humans actually have good reason to be a little worried about these machines.

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