Sabtu, 22 Januari 2011

Glow Glow = Nails Dead

There are over 2,000 species of fireflies, which is actually a beetle with wings. Firefly glow even when they are still a small larvae. Wink their pallor, light lime acts as a warning to predators. Many firefly larvae contain chemicals that are unpleasant or toxic to animals and humans, according to a study by researchers at Tufts University.

This light is the result of mixing of oxygen, pigment called luciferin. Enzyme luciferase, a chemical called adenosine triphosphate (ATP) is a cell that provides energy, according to researchers at Harvard Medical School. Uric acid crystals, which is located in the cells can be activated to make the light, acting as a reflective layer and shine of the whole insect body.
However, the pattern of blinking fireflies stomach it remains a mystery, in which scientists are not sure whether this pattern is controlled by nerve cells of insect or oxygen supply. But scientists know what to blink it. Adult firefly light signal issued disjointed to attract the attention of couples in the future.

Blink pattern that varies from short to long continuous sequences, and species of fireflies have different own unique light, making it easier for couples who find it suitable to each other.

Firefly Both male and female green light them when choosing a partner, and use their flashing lights as a means to communicate during courtship.
Besides firefly, many other organisms, especially sea creatures, using light emissions to sexual selection, attract prey and as a means of camouflage. There are an estimated 90 percent of deep-sea animals have light, according to the Scripps Institution of Oceanography.

The mechanism of luminous fireflies usually show some information for example about his life. Because the light from its tail and may because of the limitations of the information society "ancient" then comes the story of the myth of the old people who call fireflies bring "nail the dead".

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