What Birds are Able to Hover in Mid-Air?


How many species can you name out of 10, 400 species of bird in the world? Having feathers are birds’ most notable features and the major characteristic that distinguishes them from the other animals. Also, they are warm-blooded vertebrates closely related to reptiles than mammals. They have a four-chambered heart, forelimb modified … Read more

What substance is the white powdery coating on grapes?

What substance is the white powdery coating on grapes

What is it: Have you ever seen a white, powdery substance on grapes? Many people believe it is pesticides. This assumption, while incorrect, is valid due to the prevalence of using such chemicals in agriculture today. This substance is actually composed of several different materials.  The first material, comprising most of the … Read more