It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is, was previously unknown. Now ...

Known as chorus waves, these signals are split-second bursts of electromagnetic radiation emitted from high above Earth's surface. When converted into an audio format and drawn out, they sound ...

Earth’s solid inner core appears to have changed shape in the past 20 years or so, according to seismic wave measurements – but the behaviour of these waves could also be explained by other ...