Scientists previously thought cortical neurons remained silent during delta waves, but new evidence from rats shows some cells fire in a pattern reflective of memorizing a task. NIH’s plan to reduce ...

Theta waves (4-7 Hz) are common in the lighter stages of sleep or the transition from waking to sleeping. Delta waves (0.5-4 Hz) signify a state of deep sleep. A binaural beat with a frequency ...

An curved arrow pointing right. Following is a transcript of the video. This is how scientists study tsunamis. The Delta Flume is a massive wave tank in the Netherlands. It's nearly 1,000- feet long.

A game emulator named Delta has been making waves on the Apple Play store. This latest offering for iOS users has allowed them to play classic old-school retro games. This recent development has ...