This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Wondering how much silver is too much? Here's what you should know about silver ownership limits under federal law.

World CopperSmith reports that modern farming has led to a significant copper deficiency in diets, impacting human health ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Word of the Day: "Quintessence" signifies the purest essence of something. This word describes the most perfect example of an ...

Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in ...

In a world where digital currencies and stocks can plummet without warning, the temptation of investing in tangible assets remains unparalleled. From vintage cars to fine art, these physical treasures ...

Long before quantum mechanics existed, a scientist developed a powerful way of describing motion by drawing an analogy between particles and light.

From helping you to focus more to improving sports performance, some scientists believe 'depositing' sleep for later use can bring a range of benefits.

The success of weight-loss drugs has driven demand for injectable compounds that claim to improve everything from sleep to ...

Getting kids to pick up their toys often feels about as hopeless as asking a dog to drop its bone. You don’t want to do it ...