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A baby eats an amount of food equal to his weight every ten days; an adult consumes his own weight in food once every fifty days. |
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The body of an average-size, full-grown human male contains enough fat to make at least even cakes of soap, enough phosphorus to make 2,000 match-heads, enough carbon to make 8,500 pencils, enough iron to make one nail, and enough water to fill a 12-gallon barrel. |
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There are some 12,00,00,00,000 cells in the human brain. |
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There are 30,00,00,000 air cells in both human lungs. |
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The kidneys have about 280 miles of tiny tubes. |
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The blood vessels have a combined length of 1,00,000 miles. |
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Ten million red blood cells in an adult are destroyed and replaced every second. |
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There are approximately twenty-five billion (2,50,00,00,00,00,000) red blood cells in the verage adult human body. |
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And the average human heart beats 1,00,800 times a day (almost 4,00,00,000 times in a single year), pumps 1,500 quarts of blood a day (or almost enough to fill a goods train wagon), and uses enough energy in two hours to lift nearly 60 tons one foot up into the air. |
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The drug thiopentone can kill a human being in one second if injected directly into the blood. |
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The earth is estimated to be 4.5 billion years old. It travels through space at 6,60,000 miles er hour. |
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The oldest rocks in the world, the so-called St. Peter and St. Paul stones in the Atlantic Ocean, are 4 billion years old. |
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The earth weighs 65,58,00,00,00,00,00,00,00,00,00,000 tons. |
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The earth rotates on its axis more slowly in March than in September. |
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If the earth were compressed to a sphere with a 2-inch diameter, its surface would be as mooth as a billiard ball’s. |
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The temperature of the earth’s interior increases by 1 degree every 60 feet down. |
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If the world were to become totally flat and the oceans distributed themselves evenly over he earth’s surface, the water would be approximately 2 miles deep at every point. |
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Glaciers occupy 5.8 million square miles, or 10 percent of the world’s land surface, an area as large as South America. |
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The world is not round. It is an oblate spheroid, flattened at the poles and bulging at the quator. |
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The average American uses eight times as much fuel energy as an average person nywhere else in the world. |
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In one night, the World Trade Center in New York City uses more electricity than the entire ity of Troy, New York. |
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The world consumes 1 billion gallons of petroleum a day. |
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Petroleum accounts for half the world’s energy supply. |
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To an observer standing on Pluto, the sun would appear no brighter than Venus appears in ur evening sky. |
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Saturn’s rings are 5,00,000 miles in circumferences but only about a foot thick. |
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When we look at the farthest visible stare we are looking 4 billion years into the past—the light from that star, traveling at 1,86,000 miles a second, has taken that many years to reach us. |
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The telescope on Mount Palomar, California, can see a distance of ,03,88,35,20,00,00,00,00, 00,000 miles. |
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The sun is 3 million miles closer to the earth during winter than summer. |
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The sun is 3,30,330 times larger than the earth. |
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The earth moves in its 585-million-mile orbit around the sun approximately eight times faster than a bullet travels. |
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It is estimated that within the entire universe there are more than a trillion galaxies (the Milky Way itself contains 100 billion stars). This means that there are probably about 1022 stars in the entire cosmos. |
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Traveling at a speed of 1,86,000 miles per second, light takes 6 hours to travel from Pluto o the earth. |
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The sun burns 9 million tons of gas a second. At this rate, it has been estimated, it will burn ut in another 10 billion years. |
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The star known as LP 327-186, a so-called white dwarf, is smaller than the state to Texas et so dense that if a cubic inch of it were brought to earth it would weigh more than 1.5 million tons. |
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All the planets in our solar system could be placed inside the planet Jupiter. |
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Because of the speed at which the sun moves, it is impossible for a solar eclipse to last more than 7 minutes and 58 seconds. |
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Four million tons of hydrogen dust are destroyed on the sun every second. |
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If a baseball-sized piece of a supernova star (known to astronomers as a pulsar) were brought to earth, it would weigh more than the Empire State Building. |
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A day on the planet Mercury is twice as long as its year. Mercury rotates very slowly but evolves around the sun in slightly less than eighty-eight days. |
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A mile on the ocean and a mile on land are not the same distance. On the ocean, a mile is nown as a nautical mile and measures 6,080 feet. A land or statute mile is 5,280 feet. |
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is ased on the weight of the carob seed, which was once used as a weighing standard by jewelers in Africa and the Middle East. The word “carat” itself is believed to be derived from an Arabic word meaning “bean” or “seed”. |
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The best working light-bulb a long time ago was a thread of sheep’s wool coated with arbon. |
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107 incorrect medical procedures will be performed by the end of the day today. |
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A Boeing 747’s wingspan is longer than the Wright brother’s first flight. |
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A cesium atom in an atomic clock beats 9,192,631,770 times a second. |
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A neutron star has such a powerful gravitational pull that it can spin on its axis in one-hirtieth of a second without tearing itself apart. |
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A normal raindrop falls at about seven miles per hour. |
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A rainbow can only occur when the sun is 40 degrees or less above the horizon. |
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All the gold produced in the past 500 years, if melted, could be compressed into a 50-foot cube. |
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An each of snow falling evenly on one acre of ground is equivalent to about 2,715 gallons of water. |
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At room temperature, the average air molecule travels at the speed of a rifle bullet. |
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Bacteria, the tiniest free-living cells, are so small that a single drop of liquid contains as any as 50 million of them. |
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Bamboo (the world’s tallest grass) can grow up to 90 cm in a day. |
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By weight, the sun is 70 per cent hydrogen, 28 per cent helium, 1.5 per cent carbon, itrogen and oxygen, and 0.5 per cent all other elements. |
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If you attempted to count the stars in a galaxy at a rate of one every second it would take around 3,000 years to count them all. |
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It takes eight and a half minutes for light to get from the sun to earth. |
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Recycling one glass jar saves enough energy to watch TV for three hours. |
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Stars come in different colours; hot stars give off blue light and the cooler stars give off red light. |
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The Saturn V moon rocket consumed 15 tons of fuel per second. |
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When glass breaks, the cracks move at speeds up to 3,000 miles per hour. |
