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Earth

Little Ice Age began with a bang

Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanic eruptions.

Space

Super-Earth spotted in life-friendly zone

The latest exoplanet entry creeps closer to long-sought goal of finding habitable worlds elsewhere.

Health & Medicine

Addicts and siblings share brain features

The finding suggests that diminished self-control and other behaviors may have a genetic component.

Earth

Some corals like it hot

Western Australian reefs are faring better than their eastern counterparts, at least for now.

Life

Plants swap chloroplasts via grafts

The energy-converting cellular organs can pass through connections, carrying genetic material with them.