One of the big announcements at SHOT Show this year was a collaboration between GLOCK and Aimpoint. The all-new GLOCK x ...

Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...

U.S. News Insider Tip: If you're looking for a unique adventure, consider camping inside the crater. There are three wilderness cabins accessible via a minimum 3.7-mile hike from the summit ...

If you've never been to Washington, D.C. before, plan to spend some time along the Tidal Basin, an approximately 107-acre pond encircled by a 2.1-mile loop trail. Constructed to use the strong ...