He’s referring to the electromagnetic radiation given off by our electronic devices, and in particular, the portion of the ...

The PSL Slit Lamp weighs only about 1.5 lbs. (0.68 kg) with its battery and fits easily and comfortably in your hand. Its ergonomic design and convenient carrying case make it an ideal instrument for ...

One of the discoveries that fundamentally distinguished the emerging field of quantum physics from classical physics was the observation that matter behaves differently at the smallest scales. A key ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...

LAMP is a comprehensive, sustained mentoring and professional development program with an emphasis on how to best adopt active learning strategies in large-scale active learning classrooms at UW. It ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

The XCEL 255's wide-field optics provide excellent clarity and detail. The compact design, combined with conveniently placed controls, make this slit lamp a pleasure to operate. The outstanding ...

Inupiaq goggles carved from baleen set against a Tunumiit (East Greenland Eskimo) woman’s sealskin parka. Both are from the collection of the National Museum of the American Indian. Larry McNeil In ...

The term scleritis describes a chronic inflammation that involves the outermost coat and skeleton of the eye. Disease can be isolated to the eye, but in up to half of affected individuals it occurs in ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...