General Science Questions

Joseph Priestley and Carl Wilhelm Scheele both independently discovered oxygen in the year 1774, but Priestly is usually given credit for the discovery.

A daisy-wheel printer works on the same principle as a ball-head typewriter. Daisy wheel printer is a type of impact printer invented in 1969.

The daisy wheel is a disk made of plastic or metal on which characters stand out in relief along the outer edge. To print a character, the printer rotates the disk until the desired letter is facing the paper.

Cerebrum is the largest region of the brain.

Plants wilt due to excess of Transpiration.

Nuclear power energy source generates radioactive waste.

Cholesterol is referred as an amphipathic molecule, that it contains its hydrophilic and hydrophobic parts.

Exercise can boost your memory and thinking skills by improvising alertness, attention and motivation.