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Chemistry

A new antibiotic uses sneaky tactics to kill drug-resistant superbugs

Scientists have developed a molecule that kills off bacteria that are resistant to existing antibiotics.

Archaeology

This South African cave stone may bear the world’s oldest drawing

The Stone Age line design could have held special meaning for its makers, a new study finds.

Materials Science

Here’s how graphene could make future electronics superfast

Graphene-based electronics that operate at terahertz frequencies would be much speedier successors to today’s silicon-based devices.

Physics

Sound waves can make bubbles in levitated drops of liquid

A new technique reveals how to make bubbles from droplets suspended in the air.