Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...
The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.
My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...
The blooming of a titan arum, or corpse plant, is a spectacle like none other in the plant world. With its putrid stench, ...
In the grand story of evolution, the crowning human distinction is our big brain. But our large heads have been slow to recognize a less admirable trait of Homo sapiens—self-centeredness. The human ...
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What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ
Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...
In honor of Darwin Day Feb. 12, CU Boulder evolutionary biologist Daniel Medeiros explains what we get right and wrong about Darwinism For evolutionary biologists, the big day is imminent. No, not ...
Evolutionary biologists study the changes that occur in plants, animals, and microbes over time and within current populations. When addressing a virus outbreak (like COVID-19), scientists in this ...
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