Panda is there in the logo of World Wildlife fund. The inspiration for the WWF logo came from Chi-Chi, a giant panda that was living at the London Zoo in 1961,which is the same year WWF was created. WWF’s founders wanted a strong, recognizable symbol that would overcome all language barriers.
The force exerted on the surface by the column of air above it is called atmospheric pressure or air pressure. It is measured by means of an instrument called barometer.