Researchers question the cooperative eye hypothesis

The sclera of the eye is devoid of pigment, which is why humans can easily follow where counterparts are looking. Researchers have long believed this facilitates glance-based communication. A team of zoologists based at the ...

Darwin got sexual selection backward, research suggests

Charles Darwin was a careful scientist. In the middle of the 19th century, while he was collecting evidence for his theory that species evolve by natural selection, he noticed it didn't explain the fancy tails of male peacocks, ...

Charles Darwin and conspicuous consumption: Why bling is blingy

Luxury brands are a prominent feature of modern society. Thorstein Veblen coined the term "conspicuous consumption" to describe how the upper classes showcased expensive goods without inherent practical benefits to demonstrate ...

Fishing selects small, shy fish for survival

Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...

Butterfly color diversity due to female preferences

Butterflies have long captured our attention due to their amazing color diversity. But why are they so colorful? A new publication led by researchers from Sweden and Germany suggests that female influence butterfly color ...

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