Irrationality is cognition, thinking, talking or acting without inclusion of rationality. It is more specifically described as an action or opinion given through inadequate use of reason, emotional distress, or cognitive deficiency.

The name Seth is an American baby name. In American the meaning of the name Seth is: Put, who puts, fixed'.

A bruise, also called a contusion (say: kun-TOO-zhun), forms because the soft tissues of your body have been bumped. Some people bruise easily, whereas others may have tougher skin tissue. When these soft tissues are injured, small veins and capillaries (the tiniest blood vessels) under the skin sometimes break.

If you have blue eyes, you may be related to every other blue-eyed person in the world. Researchers in Denmark have found that every person with blue eyes descends from just one "founder," an ancestor whose genes mutated 6,000 to 10,000 years ago. Before then, everyone had brown eyes.

Combustion reactions are almost always exothermic (i.e., they give off heat). For example when wood burns, it must do so in the presence of O2 and a lot of heat is produced: Wood as well as many common items that combust are organic (i.e., they are made up of carbon, hydrogen and oxygen).

Sodium, atomic number 11, was first isolated by Humphry Davy in 1807. A chemical component of salt, he named it Na in honor of the saltiest region on earth, St augustine, FL