Can color affect the way we feel? Scientists say yes. Learn why McDonald’s uses yellow in its packaging and why stop signs are red. Science Trek is available to stream on pbs.org and the free PBS App, ...
You know you've said it. We all have. "Mmm, that looks so delicious — I want to try some!" That's because when it comes to what we eat, it's not just a matter of taste.Related video above: Doctor ...
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