Airwolf is the helicopter from the 1980s American eponymous television series. Its fictional features included stratospheric ceiling, stealth noise signature, a wide range of weapons and even supersonic speed. Airwolf was in fact a conventional Bell 222 helicopter modified by attaching some film props.
Hotspot (geology) In geology, a hotspot is a location on the Earth's surface that has experienced active volcanism for a long period of time.
A hotspot is an area which faces serious threat from human activities and supports a unique biodiversity (endemic, threatened, rare species) with representatives of evolutionary of speciation and extinction. The concept of biodiversity was given by Norman Myers (1988).