Sam Miller

Honeybees understand basic math | Popular Science

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. The brain of a honeybee (Apis mellifera) weighs less than one milligram and contains fewer than one million neurons, but that may be more than enough for surprisingly complex calculations. For decades, cognitive researchers and biologists have debated just…

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Thríhnúkagígur: The only volcano on Earth where you can descend into a magma chamber

QUICK FACTS Name: Thríhnúkagígur, or Three Peaks Crater Location: Southwest Iceland Coordinates: 63.9984, -21.6989 Why it’s incredible: The volcano hosts the world’s only magma chamber that’s accessible to humans. Thríhnúkagígur is a dormant volcano near Reykjavík whose last eruption 4,500 years ago left a hollow magma chamber with bronze-and-indigo-colored walls. It’s the only place in…

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