Category Archives: Interesting Facts

Cocoa Facts Cocoa Facts


Cocoa beans are the fruit of the cacao tree. Cocoa beans are called cocoa beans and not cacao beans due to a spelling mistake made by English importers in the 18th century when chocolate first became popular. Cocoa beans are the seeds inside melon-shaped pods about 30 cm long. Cacao trees came originally from Central…
Read more…

Pulsar Facts Pulsar Facts


A pulsar is a neutron star that spins rapidly, beaming out regular pulses of radio waves — rather like an invisible cosmic lighthouse. The first pulsar was detected by a Cambridge astronomer called Jocelyn Bell Burnell in 1967. At first astronomers thought the regular pulses might be signals from aliens, and pulsars were jokingly called…
Read more…

Hovercraft Facts Hovercraft Facts


A hovercraft or air cushion vehicle floats on a layer of compressed air just above the ground. It is also called a ground-effect machine. The air means there is very little friction between the craft and the ground. A hovercraft has one or more big fans that suck air into the craft, then blow it…
Read more…

Swamp Facts Swamp Facts


Wetlands are areas of land where the water level is mostly above the ground. The main types of wetland are bogs, fens, swamps and marshes. Bogs and fens occur in cold climates and contain plenty of partially rotted plant material called peat. Marshes and swamps are found in warm and cold places. They have more…
Read more…

Train Facts Train Facts


Monorails are single-beam tracks raised over city streets. The first monorail was built in Wuppertal in Germany as long ago as 1901 and monorails have been seen as trains of the future ever since. Monorails of the future may be air-cushion trains or maglevs, as at Birmingham airport. A maglev is proposed in Japan to…
Read more…

Facts About the Backbone Facts About the Backbone


A normal spine curves in an S shape, with the cervical spine curving forwards, the thoracic section curving backwards, the lumbar forwards, and the sacrum curving backwards. The story character the Hunchback of Notre Dame suffered from kyphosis excessive curving of the spine. The backbone, otherwise known as the spine, extends from the base of…
Read more…

Big Bang Theory Facts Big Bang Theory Facts


The Big Bang explosion is how scientists think the Universe began some 15 billion years ago. First there was a hot ball tinier than an atom. This cooled to 10 billion billion °C as it grew to football size. A split second later, a super-force swelled the infant Universe a thousand billion billion billion times….
Read more…

Stingray Facts Stingray Facts


Stingrays are a huge group of over 300 species of fish, which includes skates, sting Stingrays, electric Stingrays, manta Stingrays, eagle Stingrays and guitar fish. Many Stingrays have flat, almost diamond-shaped bodies, with pectoral fins elongated into broad wings. Guitar fish have longer, more shark-like bodies. A stingray’s gills are slot like openings beneath its…
Read more…

Facts About Beetles Facts About Beetles


At least 250,000 species of beetle have been identified. They live everywhere on Earth, apart from in the oceans. Unlike other insects, adult beetles have a pair of thick, hard, front wings called elytra. These form an armour-like casing over the beetle’s body. The goliath beetle of Africa is the heaviest flying insect, weighing over…
Read more…

Facts on Atoms Facts on Atoms


Atoms are tiny particles which build together to make every substance. An atom is the tiniest bit of any pure substance or chemical element. You could fit two billion atoms on the full stop after this sentence. The number of atoms in the Universe is about 10 followed by 80 zeros. Atoms are mostly empty…
Read more…

Cotton Facts Cotton Facts


Cotton is a fiber that comes from the cotton plant. The cotton plant is a small shrub that grows in the tropics and subtropics. Cotton plants are annuals and are planted fresh each spring. The bolls picked for cotton develop from the seed pod left when the petals of the cotton flower drop off in…
Read more…

Weather Facts Weather Facts


Hurricanes are powerful, whirling tropical storms. They are also called willywillies, cyclones or typhoons. Hurricanes develop in late summer as clusters of thunderstorms build up over warm seas (at least 27°C). As hurricanes grow, they tighten into a spiral with a calm ring of low pressure called the ‘eye’ at the centre. Hurricanes move westwards…
Read more…

Wave Facts Wave Facts


Waves in the sea are formed when wind blows across the sea and whips the surface into ripples. Water particles are dragged a short way by the friction between air and water, which is known as wind stress. If the wind continues to blow long and strong enough in the same direction, moving particles may…
Read more…

Wheat Facts Wheat Facts


Wheat grows over more farmland than any other crop and is the basic food for 35% of the world’s population. Wheat was one of the first crops ever grown. It was planted by the first farmers some 11,000 years ago. Today there are over 30 varieties. Among the oldest are emmer and einkorn. Winter wheat…
Read more…

Spice Facts Spice Facts


The Phoenicians traded in spices 2500 years ago. The great voyages of exploration of the 1400s, like those of Columbus, were mainly to find ways to reach sources of spices in Southeast Asia. The Molucca Islands in Indonesia were known as the Spice Islands because they were the main source of cloves, nutmeg and mace….
Read more…

Seed Facts Seed Facts


Seeds are the tiny hard capsules from which most new plants grow. Seeds develop from the plant’s egg once it is fertilized by pollen. Each seed contains the new plant in embryo form plus a store of food to feed it until it grows leaves. The seed is wrapped in a hard shell known as…
Read more…

Rhododendron Facts Rhododendron Facts


Rhododendrons are a big group of 800 different trees and shrubs which belong to the heath family. The word ‘rhododendron’ means ‘rose tree.’ Most rhododendrons originally came from the Himalayas and the mountains of Malaysia where they form dense thickets. Many rhododendrons are now widely cultivated for their big red or white blooms and evergreen…
Read more…