While gold and silver have long been symbols of wealth and power, in ancient China, these precious metals carried a much ...

Even healthy foods can contain trace amounts of elements such as lead, mercury, cadmium, and arsenic. These "heavy metals" ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

The biggest discovery in 30 years at the Tower of London reveals a possible 14th-century burial pit linked to the Black Death ...

Oysters offer big nutrition in small bites, including being good sources of zinc, protein, and omega-3 fatty acids. But not ...

For centuries, the sound of the seabed between Denmark and Sweden has been disturbed by currents, anchors and passing ships. Little attention was pai.

What should #ClubCalvi read next? Vote for "The Unwritten Rules of Magic" by Harper Ross, "Just Watch Me" by Lior Torenberg, ...

Trail cameras have become useful instruments for monitoring at-risk species and tracking recovery work. These devices operate ...

Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...

Billions of gallons of wastewater laced with industrial chemicals pour into the Tijuana River and reach the Pacific Ocean ...

Dock up and step ashore at these California spots where the marina is your parking lot, the kitchen’s steps away, and the ...

A grand jury has indicted two local contractors on 34 criminal counts after finding evidence that they conned dozens of ...