The worldwide chart of coronavirus variants below shows the sequence of omicron subvariants that have emerged since the peak of the delta wave in September 2021. The BA.4/BA.5 subvariants ...

On Monday, Governor Jared Polis signed the state’s latest budget, which includes funding to continue the wolf reintroduction program — but also adds new guidelines aimed at better protecting ...

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.

theta waves and delta waves. The former are typically recorded when we’re in the process of falling asleep, whereas the latter two come about during sleep. Once we pass into the REM or rapid-eye ...

Low-frequency “delta” brain waves are known to be involved in memory maintenance. These waves dominated the monkeys’ sleeping brain activity, and the team wondered whether they were behind ...

infection was not elevated among vaccinated and boosted adults during the Delta and Omicron waves; however, unvaccinated individuals infected with the Omicron variant and patients hospitalized ...

"Just as more clients were feeling comfortable meeting in person, the recent delta wave continues to surge, causing us to revert back to meeting virtually," he says. Annual reviews by video ...