🔬 Science

Why the world works the way it does, minus the jargon.

5 answers in this category

We do not know the full path, but life likely began through chemistry on early Earth.

Mostly dark energy and dark matter, with only a small slice made of ordinary matter.

We do not know for sure, but dreams may help process emotions and memories.

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Sometimes, yes — under the right conditions hot water can freeze first. It's a real effect called the Mpemba effect, but it's unreliable.

Air scatters short blue wavelengths of sunlight far more than red ones, so blue reaches your eyes from all over the sky.