Psychology & Psychiatry

How to make your workplace a healthier one

(HealthDay)—Even if you love your job, your workspace might not love you back. Because people may spend 40 or more hours on the job, often at a desk, all that exposure to less-than-inspiring surroundings can negatively ...

Health

Five tips to get through the day without caffeine

Whether you prefer a double shot latté in the morning or a cup of black tea in the afternoon, caffeine is a part of the daily routine for many of us. It's not necessarily a bad thing, either. A Starbucks run can be part ...

Cardiology

Replacing 30 minutes of sitting with activity may cut mortality

(HealthDay)—Replacing half an hour of daily sitting time with even light physical activity is associated with a reduction in mortality risk among less active adults, according to a study published online March 21 in the ...

Cancer

Specific criteria needed for different types of myeloma

When our plasma cells start producing a single cancer-causing protein rather than an array of antibody-like proteins to protect us, it's one of two arms of the Y-shaped protein that's likely to blame.

Diseases, Conditions, Syndromes

Space-enabled mobile laboratory ready for medical emergencies

A laboratory that enables first responders to combat biological hazards and infectious diseases rapidly and safely has demonstrated its strengths during a simulated biological incident conducted in Belgium.

Diseases, Conditions, Syndromes

Blue light could treat superbug infections

Methicillin-resistant Staphylococcus aureus (MRSA), a bacterium that causes infection in various parts of the body, is often called a "superbug" thanks to its ability to dodge many common antibiotics. Although most MRSA infections ...

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Light

Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye (about 400–700 nm, or perhaps 380–750 nm.) In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.

Three primary properties of light are:

Light, which exists in tiny "packets" called photons, exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.

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