Category Archives: Interesting Facts

Hummingbird Facts Hummingbird Facts


Hummingbirds are 325 species of tiny, colourful, tropical birds which sip nectar from flowers. Hummingbirds are the most amazing aerial acrobats, hovering and twisting i ii front of flowers. The bee hummingbird is the world’s smallest bird – including its long bill, i measures just 5 cm. To hover, horned sungem hummingbirds beat their wings…
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Pet Facts Pet Facts


There are over 500 breeds of domestic dog. All are descended from the wolves first tamed 12,000 years ago to help humans hunt. Dogs have kept some wolflike traits such as guarding territory and hiding bones. Many pet dogs were originally working dogs. Collies were sheepdogs. Terriers, setters, pointers and retrievers all get their names…
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Cosmic Ray Facts Cosmic Ray Facts


Cosmic rays are streams of high-energy particles that strike Earth’s atmosphere. The lowest-energy cosmic rays come from the Sun, or are Galactic Cosmic Rays (GCRs) from outside the Solar System. Medium-energy cosmic rays come from sources within our own Milky Way, including powerful supernova explosions. Collisions between cosmic rays and the hydrogen gas clouds left…
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Particle Physics Facts Particle Physics Facts


Apart from the three basic, stable particles of atoms – electrons, protons and neutrons – scientists have found over 200 rare or short-lived particles. Some were found in cosmic rays from space; some appear when atoms are smashed to bits in devices called particle accelerators. Every particle also has a mirror-image anti-particle. Although antimatter maybe…
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Crop Facts Crop Facts


The first crops were probably root crops like turnips. Grains and green vegetables were probably first grown as crops later. Einkorn and emmer wheat and wild barley may have been cultivated by Natufians (stone-age people) around 7000Bc at Ali Kosh on the border of Iran and Iraq. Pumpkins are grown on bushes or on vines…
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Galileo Galilei Facts Galileo Galilei Facts


Galileo Galilei (1564-1642) was a great Italian mathematician and astronomer. Galileo was born in Pisa on 15 February 1564, in the same year as William Shakespeare. The pendulum clock was invented by Galileo after watching a swinging lamp in Pisa Cathedral in 1583. Galileo’s experiments with balls rolling down slopes laid the basis for our…
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Liver Facts Liver Facts


The liver is a large organ situated to the right of the stomach. The liver is your body’s chemical processing center. The liver is your body’s biggest internal organ, and the word hepatic means ‘to do with the liver. The liver’s prime task is handling all the Gall bladders nutrients and substances digested from the…
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Quark Facts Quark Facts


Quarks are one of the three tiniest basic, or elementary, particles from which every substance is made. Quarks are too small for their size to be measured, but their mass can. The biggest quark, called a top quark, is as heavy as an atom of gold. The smallest, called an up quark, is 35,000 times…
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Spacecraft Facts Spacecraft Facts


There are three kinds of spacecraft – artificial satellites, unmanned probes and manned spacecraft. Spacecraft have double hulls (outer coverings) to protect against other space objects that crash into them. Manned spacecraft must also protect the crew from heat and other dangerous effects of launch and landing. Spacecraft windows have filters to protect astronauts from…
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Facts About A Nebula Facts About A Nebula


Nebula (plural nebulae) was the word once used for any fuzzy patch of light in the night sky. Nowadays, many nebulae are known to be galaxies instead. Many nebulae are gigantic clouds of gas and space dust. Glowing nebulae are named because they give off a dim, red light, as the hydrogen gas in them…
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Breathing Facts Breathing Facts


You breathe because every single cell in your body needs a continuous supply of oxygen to burn glucose, the high-energy substance from digested food that cells get from blood. Scientists call breathing respiration: Cellular respiration is the way that cells use oxygen to burn glucose. The oxygen in air is taken into your lungs, and…
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Drug Facts Drug Facts


Antibiotic drugs are used to treat bacterial infections such as tuberculosis (TB) or tetanus. They were once grown as moulds (fungi) but are now made artificially. Penicillin was the first antibiotic drug, discovered in a mould in 1928 by Alexander Fleming (1881-1955). Analgesic drugs such as aspirin relieve pain, working mainly by stopping the body…
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Dark Matter Facts Dark Matter Facts


Dark matter is space matter we cannot see because, unlike stars and galaxies, it does not give off light. There is much more dark matter in the Universe than bright. Some scientists think 90 percent of matter is dark. Astronomers know about dark matter because its gravity pulls on stars and galaxies, changing their orbits…
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Glider Facts Glider Facts


Gliding mammals include the flying squirrels of America and Asia, the scaly-tailed squirrels of Africa, and the marsupial gliding possums of Australia. The Australian feather-tailed glider is the smallest gliding mammal, weighing just 12 g. Gliding mammals achieve their glides by means of a hairy membrane called a patagium that joins the fore and hind…
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