• Some types of song are universally recognizable by people across all cultures, a new study by scientists at Harvard suggests. But can you tell a lullaby from a love song? Take a quiz based on the study and find out.

(Above, Aborigines of northern Australia performed a corroboree dance for visitors in 1978. Music for the corroboree was part of the study.)

Another new study suggests that we are not only shaped by the genes that we inherit, but also by those we don’t. (It compared thousands of Icelanders to their parents.)

And the discovery of a fossilized jawbone in a cave in Israel could rewrite the story of human migration, proving that Homo sapiens ventured out of Africa about 50,000 years earlier than previously thought.

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