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Science

Tips for spotting the northern lights, from an aurora devotee

Tips for spotting the northern lights, from an aurora devotee

Sometimes the aurora is a low, green arc sitting still on the horizon. Sometimes it visibly ripples across the sky, like moving pages of a book. Sometimes it pulses here, then there, then over there — like an ethereal game of whack-a-mole.
by Andrew Krueger

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Giant pumice raft floating toward Australia could help replenish Great Barrier Reef

Giant pumice raft floating toward Australia could help replenish Great Barrier Reef

An underwater volcano is thought to have produced a sheet of pumice that stretches 58 square miles. It’s carrying marine organisms that scientists say could help replenish Australia's Great Barrier Reef.
by Shannon Van Sant

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Study finds invasive insects are a big contributor to climate change

Study finds invasive insects are a big contributor to climate change

Invasive insects like the gypsy moth and emerald ash borer — which are steadily marching across Minnesota and the rest of the country, feasting on trees and ultimately killing them — are also contributing to climate change, according to a newly released study.
by Dan Kraker

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