What are corals?
Corals are small colourful marine animals that are found in the seas. They build the coral reefs. Their exoskeletons provide...
Nature
What makes case moth caterpillars unique?
Case moth caterpillars (Psychidae) make a case around them, which is made of silk and pieces of plants or soil....
Discovery of Morgan’s Sphinx Moth
In 1862, Charles Darwin discovered an orchid from Madagascar with a one-foot-long spur that held the pollen and the nectar...
The relation between butterflies and climate change
Butterflies are delicate creatures and they are affected by climate change. A large population of butterflies indicates a healthy ecosystem...
The amount of energy released by a hurricane
An average hurricane bringing in 1.5 cm per day of rain, with a circle radius of 665 km, generates a...
Speed of a falling raindrop
A raindrop falls on the earth with varying speeds depending on its size and weight. The gravity acts on the...
