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Humans & Society

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SN 2011fe

In August of 2011, researchers discovered SN 2011fe, a type 1a supernova 21 million light-years away in galaxy M101 (images show the galaxy before and after the supernova, with the supernova circled at right). Studies using type 1a supernovas as “standard candles” to measure how fast the universe expands (the Hubble constant) produce a result in conflict with other data used to infer the cosmic growth rate.

Two brothers mummies

MAMMA’S BOYS  Ancient Egyptian mummies known as the Two Brothers, found in these coffins, had the same mother but different fathers, DNA evidence indicates.

bonobo

HELP UNWANTED  Bonobos, such as this adult male housed at an African sanctuary, prefer individuals who hinder others over those that help, a new study finds. In contrast, humans typically favor helpers over hinderers, starting in infancy.

Humans & Society

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