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partial jaw fossil

EVOLUTION’S BITE  A researcher holds a 2.8-million-year-old partial jaw near where it was found in Ethiopia. The fossil’s discoverers say it represents the earliest known member of the human genus, Homo.

lightning volcano

FIRE BOLT  Lightning that crackles through volcanic ash plumes, such as during this 2010 eruption of Eyjafjallajökull in Iceland, can kiln microscopic glass orbs, new research finds.

Splashing coffee

SQUASH THE SLOSH  Just a few layers of surface bubbles can save a beverage from splashing all over the kitchen counter. 

unverse

FAR, FAR AWAY  With the help of a new instrument, researchers measured distances to 181 galaxies, seen in this Hubble Space Telescope image, including a few that Hubble missed (highlighted).



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