Culture clash shows in rockshelter 'grafitti'

A hidden Murray River rockshelter speaks volumes about local Aboriginal and European settlement in the Riverland, with symbols of conflict—including a swastika symbol—discovered in Aboriginal rock art.

Violent flaring revealed at the heart of a black hole system

An international team of astronomers, led by the University of Southampton, have used state-of-the-art cameras to create a high frame-rate movie of a growing black hole system at a level of detail never seen before. In the ...

Accelerating the grapevine effect

Gossip is an efficient way to share information across large networks and has unexpected applications in solving other mathematical and machine-learning problems.

Flies sleep just like us

(Phys.org) —Researchers at The University of Queensland have discovered that, like humans, flies sleep in stages of different intensities.