During World War II, the British Royal Air Force started a rumour that carrots gave their fighter pilots sharp vision and accuracy. This was not true. Radar was responsible for their success...
Serendipity plays a big role in science. Many discoveries begin with a puzzling observation followed by, “That’s weird”. Don McPherson developed special lenses for surgeons to use when employing...
You know how we (humans) have eyeballs? Well, owls don’t. They have eye tubes or cylinders, rod-shaped eyes that do not move in their sockets as eyeballs do. Instead, owls have to move their bodies...
Imagine being an elderly woman, sipping her tea in an empty house, and suddenly seeing a girl entering through a closed door and vanishing. The apparition is crisp and well defined. Would you, as...
Light enters your retina and is detected by photoreceptor cells, of which humans have 3 specialized kinds- rod cells, cone cells and photosensitive retinal ganglion cells. The retinal ganglion...
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