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Astronomy

Here’s why some supermassive black holes blaze so brightly

NASA’s IPXE X-ray satellite saw a telltale signature of shock waves propagating along a blazar’s high-speed jet, causing it to emit high-energy light.

Neuroscience

Rats can bop their heads to the beat

Rats’ rhythmic response to human music doesn’t mean they like to dance, but it may shed light on how brains evolved to perceive rhythm.

Archaeology

A spider monkey’s remains tell a story of ancient diplomacy in the Americas

A 1,700-year-old spider monkey skeleton unearthed at Teotihuacan in Mexico was likely a diplomatic gift from the Maya.