The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

Candy canes are a holiday staple with roots dating back to the 1600s. The story suggests that in 1670, a choirmaster in Cologne, Germany, gave children these sugary sticks shaped like a shepherd’s ...

How to make handmade jewelry from copper wire by Lan Anh Handmade You can use as pendants, earrings or used to decoration Can do the same with ring, earrings and bracelets to form sets You can use any ...

Discover how to build a simple electric train using just a copper coil, an AA battery, and disc magnets in this step-by-step ...