1 Malaria is a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes. 2  In 2015, 95 countries and territories had ongoing malaria transmission,  About 3.2 billion people â almost half of the worldâs population â are at risk of malaria.
18 frames per second: Early motion picture films. 24 frames per second: Worldwide standard for movie theater film projectors. 48 frames per second: Slow-motion photography (because it takes twice as long to play back in a 24 fps projector, the motion is twice as slow).
The frames are later played back in a movie projector at a specific speed, called the frame rate (number of frames per second). While viewing at a particular frame rate, a person's eyes and brain merge the separate pictures together to create the illusion of motion.