A Moment of Science
Scientists working in Panama have discovered a parasitic worm that infects a certain species of ant, altering the ant to look like a red, ripe berry.
One theory as to why humans began walking upright notes that when our species was just getting its start, the ability to reach up for fruit was beneficial.
Among all the primates, we humans are the only ones that stand on two legs. How did it come about that we do every day what nobody else does?
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