Charcoal filter

Charcoal is formed by burning organic material (most commonly wood) without oxygen. Pyrosis...

Haptic Technology

The use of tactile sensations to excite the sense of touch in a...

Irregular galaxies

An irregular galaxy, unlike a spiral or an elliptical galaxy, does not have...

Biological magnification

The growing accumulation of hazardous compounds within organisms that occurs at each level...

Nondisjunction

The failure of homologous chromosomes or sister chromatids to separate correctly during cell...

Missense mutation

A missense mutation occurs when a piece of DNA is changed, causing different...