The onset of cardiovascular diseases often shows time-of-day variation. Acute myocardial infarction or ventricular arrhythmia such as ventricular tachycardia occurs mainly in the early morning.
WWV signals can be difficult to tune outside of certain hours and weather conditions. It's also fairly difficult to find WWV recievers that can easily plug into computers that aren't expensive bespoke ...
Anyone who has suffered from jet lag or struggled after turning the clock forward or back an hour for daylight savings time knows all about what researchers call your biological clock, or circadian ...
All life on Earth has evolved to cope with a rotating planet which results in the predictable transition between day and night. The details differ between plants, fungi, bacteria and animals, but the ...