Walking through a park, you stumble upon a lilac bush. You take in its vibrant purple color, touch its velvety petals and breathe in its fragrant scent. You hear a bee flying nearby before it drinks ...
Humans recognize their world 80 percent of the time through their eyes. Learn more about your five senses, the good and the bad. Science Trek is available to stream on pbs.org and the free PBS App, ...
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