4 items in this section. Displaying page 1 of 1
Why do Locusts Swarm?
Have you ever tried chasing a frisky grasshopper? If you have, you will definitely know that scampering after a jumpy bug is not an easy task. Most species of grasshoppers have a keen sense of hearing and the moment they sense trouble, they can hop fast and furious! Sometimes, shortage of food turns grasshoppers into migratory insects as they venture out in search of newer pastures. This situation happens when the species begins reproducing rapidly and does not have enough food for all the members of its community....
Scientists Find More on the Eureka Man
Why do ships float on water when in fact they should sink? Why does paper float on water and a paperweight sink? The answer to these questions was accidentally discovered 2200 years ago by the Greek inventor and mathematician, Archimedes. One day, while getting into his bath he noticed water spilling over the sides. In a flash, Archimedes realised the relation between the water that had fallen out and the weight of his body – in other words he discovered why some objects float and some sink!...
What kind of Family Life did the Dinosaurs Have?
In Argentina this year, scientists digging on a site made a fantastic discovery, which made them realise that dinosaurs lived as a large family. The site consisted of many nests with each nest containing as many as 15 to 30 eggs. The eggs belonged to a plant-eating dinosaur called Titanosaurs. It is the biggest nesting site of dinosaurs found so far. The word dinosaur is a Greek word meaning giant reptile. Most reptiles lay eggs in nests but they walk away after the young hatch to fend for themselves....
The Fossil Tree
December 27: Which are the oldest living trees in the world? You might think it’s those huge redwood trees, called giant sequoias, dating 4000 years. Not true. How about the Wollemi Pine? Yes, you’re getting there. But the answer is the Nightcap Oak, which was discovered recently. This oldest tree is 90 million years old. The Nightcap Oak has been identified as a living fossil. It dates back to millions of years and was thought to have died out....
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