Diseases, Conditions, Syndromes

A new approach to old questions surrounding the Second Plague

When many moderns think of the plague, the uproarious "Bring Out Your Dead" skit by Monty Python probably comes to mind. But in medieval Europe, the Second Plague Pandemic was no laughing matter: it was a particularly deadly ...

Neuroscience

Brain implant restores visual perception to the blind

Seven years ago, Jason Esterhuizen was in a horrific car crash that destroyed his eyes, plunging him into total darkness. Today, he's regained visual perception and more independence, thanks to an experimental device implanted ...

Cardiology

Total heart disease deaths on the rise

Total deaths from heart disease, stroke, diabetes and hypertension—known collectively as cardiometabolic disease—have been increasing since 2011, a new Northwestern Medicine study shows. Cardiometabolic disease is the ...

Psychology & Psychiatry

Are attitudes contagious?

If you were to meet two new people, and others seem to be more friendly toward one of those individuals, would that lead you to like that individual more than the other?

page 1 from 89

Black

Black is the color of objects that do not emit or reflect light in any part of the visible spectrum; they absorb all such frequencies of light. Although black is sometimes described as an "achromatic", or hueless, color, in practice it can be considered a color, as in expressions like "black cat" or "black paint".

This text uses material from Wikipedia, licensed under CC BY-SA