DEAR READERS: This study is a remarkable analysis of the influence of solar radiation cycles and UV light on our levels of vitamin D: "Relation of pandemics with solar cycles through ozone, cloud ...

Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph ...

Rhythm. It's so much more than the backbone of music – it’s essential to how our brains function. Whether you think you've got it or not, why rhythm is a fundamental part of your everyday life.

Nicholas Brendon was open with fans about his health before his untimely death at 54. The actor, best known for playing the lovable and wisecracking Xander Harris on “Buffy the Vampire Slayer,” died ...

March 18, 2026 • Unmanned drones are cheaper than missiles, easy to mass-produce, can travel long distances, and strike with precision. For all these reasons they are reshaping conflicts around the ...

March 17, 2026 • The letter X can be a lot of things: rebellious, mysterious, religious. For this Word of the Week, we examine its origins and many uses. March 13, 2026 • Despite rising tensions ...