24 votes
Accepted

Does defecating while sitting cause more strain than squatting?

Normal defecation is initiated by three components (1) spontaneous phasic contractions of rectum starting during filling. (2) smooth muscle relaxation of the anal canal with an increased recto-anal ...
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  • 22.4k
24 votes
Accepted

Are light-on-dark colour schemes for computer screens better for programmers?

"Typically greater brightness of positive compared to negative polarity displays leads to smaller pupil sizes and, hence, a sharper retinal image and better perception of detail." Per ...
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  • 22.4k
11 votes

Is the solarized color scheme easier on the eyes?

Low contrast modes that rely on colour are not a boon, despite the design trends. Complementary colour contrasts may be perceived as strenuous but overall eye fatigue is reduced and readability ...
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8 votes
Accepted

Can overuse of smartphones cause the pinky finger to become deformed?

Short answer, no. It is possible to sustain Repetitive Stress Injuries (RSI) from smartphone usage, much like the early traumas of "Blackberry Thumb" and "Nintendonitis", but these will not create ...
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  • 5,916
3 votes
Accepted

Does a kneeling chair reduce back pain?

No, it doesn't. It maintains a better lumbar curvature, but that couldn't be correlated with back pain. The Balans chair has been introduced with claims that, because of its semi-kneeling position, ...
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  • 2,856

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