Contact: David Cameron
Harvard Medical School
Caption: Evolution at a molecular level and Research explains what anyone with a backyard birdfeeder knows: Hummingbirds have a taste for sweet nectar. Understanding taste is a way to understand pleasure and aversion, reward and punishment, sweet and bitter -- and how the neural circuits in our brain work in perception.
Credit: Maude Baldwin
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Related news release: How hummingbirds evolved to detect sweetness