Butterfly mouthparts are made for drinking nectar. If you look at a monarch butterfly's head, you will see its proboscis, a long "straw," curled up below its mouth. How Butterflies Eat  

A birthstone is a gemstone or other semi-precious stone which is associated with a month of the Gregorian Calendar. There is no particular connection between the stones and the months, but they are often used as a way to "personalize" jewelry, taking the stone for the month in which a person was born. Here is … Read more

Drone planes that do surveillance are robots. Robots are also being used to investigate suspicious devices.

In order to add sound or music to a PowerPoint Presentation follow these steps:

1. Display the slide to which you want to add music or sound effects.

2. On the Insert menu, point to Movies and Sounds, and then do as following: Click Sound from File, locate the folder that contains the … Read more