Time expansion experiences: why time slows down in altered states of consciousness

In moments of crisis, deep focus, or psychedelic exploration, seconds can morph into minutes. This isn't just memory playing tricks. "Time expansion experiences" reveal a profound link between consciousness and our perception of reality.

PsyPost
Listening To Bats As They Search For Food

The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously can hear up to about 60 kHz, a…

Hackaday