Mindblown: a blog about philosophy.

The back of the neck. Back part of the neck; the hair below the occipital bone.  

A unit of measurement of time equal to one thousand millionth of a second.  

A unit of measurement of the amount of a substance equal to one thousand millionth of a mole.  

A unit of measurement of length equal to one thousand millionth of a metre.  

An anabolic steroid which builds muscle. Its use is banned by the International Amateur Athletics Federation. Androgen used to treat testosterone deficiency, breast cancer in women, and osteoporosis; it also stimulates growth and weight gain. Adverse effects include liver toxicity, electrolyte imbalance, and endocrine disturbances. A synthetic male sex hormone with effects and uses similar…

The internal structure of the nail, the part of the finger from which the nail grows.  

The obsessive chewing of the fingernails, usually a sign of stress. A common practice in schoolchildren, most of whom gradually give it up as they approach adolescence. It is a harmless sign of tension or insecurity, so should not be ridiculed or punished but rather the cause dealt with, if possible. An anxious behavior in…

The act of pulling away an ingrowing toenail.