Several scientific studies have determined that light on the eye's retina is the primary synchronizer of human circadian rhythms, the biological cycles that repeat approximately every 24 hours. Both ...

People deal with percentages every day: the performance of a stock portfolio, a sale at the department store, or the performance of a new hybrid car, are all often expressed as percent changes. As an ...

Use multiplication to tell "how many." Multiply by 2 using the grouping of objects. Explore multiplication to help us tell "how many." Multiply by 2 using the grouping of objects and arrays. Connect ...

Clever mathematicians can show you a dozen ways that two plus two can add up to something other than four, and if you have a keen interest in how numbers work, you might find the alternative solutions ...

Headlining this week’s news from the heartland is the story of an up-and-coming country-western singer known as Tennessee Jet, who has just been canceled from a venue in Tulsa, Oklahoma, because his ...

TOKYO/WASHINGTON, Jan 6 (Reuters) - The question of Japan's security role at a time of rising tension over Taiwan is likely to figure prominently at a meeting on Friday between the foreign and defense ...

CNN host Brian Stelter slammed President Donald Trump over the so-called Sharpiegate scandal from the past week, comparing the fiasco to a line from the dystopian novel 1984 by George Orwell. "The ...

As the House impeachment hearings came to a close, I felt they grew increasingly surreal. Indeed, in a case of life imitating art, I thought the Republican defense of the president seemed to come out ...