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SpacePlanets with many neighbors may be the best places to look for life
Solar systems with many planets in circular orbits suggest a calm life-nurturing past, while single exoplanets with eccentric orbits hint at chaos.
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GeneticsA key to the mystery of fast-evolving genes was found in ‘junk DNA’
A new study challenges a long-held belief that essential genes change little over time.
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With a pandemic, impatience can be deadly
Editor in chief Nancy Shute writes about pandemic fatigue and the importance of patience in the face of uncertainty.