A male hummingbird simply pausing on a perch can mesmerize us with his colorful, iridescent plumage. But it turns out we humans are likely missing the full effect—because hummingbirds see colors that ...
Most of the human body is water, with an average of roughly 60%. The amount of water in the body can change slightly with different factors, such as age, sex, and hydration levels. Most of the human ...
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