21/10/2024

How light helped shape our skin color, eyes and curly hair

For most of our evolutionary history, human activity has been linked to daylight. Technology has liberated us from these ancient sleep-wake cycles, but there is evidence sunlight has left and continues to leave its mark.

Tiny soil critters play by their own rules in urban parks

The assortment of species of tiny soil animals—small enough to stand on the head of a pin—differ from one urban park to another, unlike plants and larger animals where a few species are often found across many parks. This ...

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