Figure 1. The vivid colors seen in fine gem-quality spinel are derived from the mixing between multiple different chromophores in a range of ratios and concentrations, as in this fine 13.52 ct ...

Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea ...

Tingling in your feet, or that pins and needles feeling, may happen if your feet "fall asleep" after lying on them for too long. Conditions like arthritis and diabetes can cause neuropathy (nerve ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Rubbing your feet together can help some people relax ...

Diabetes can cause tingling, burning, and pain in the feet and hands. Heavy drinking can lead to alcoholic neuropathy, causing numbness and tingling in the feet. About 90% of dialysis patients ...