Human Traits Not So Simple After All

 

When Frogs Fly

Wallace’s flying frog in flight. It uses the webbing between its toes to help it glide.

Cretaceous-Paleogene Boundary Shenanigans

The Created Placenta

The complex mammalian placenta is an organ to which, in a sense, we all owe our lives. It’s formed by the fusion of maternal and embryonic tissues and establishes vascular contact between mother and child at the onset of pregnancy.

Resolving the Sheet Sand Enigma

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