A desert is a landscape or region that receives very little precipitation. Deserts are defined as areas with an average annual precipitation of less than 250 mm (10 in), or as areas where more water is lost by evapotranspiration than falls as...

David vs Goliath,read the story

A spider web, spiderweb, spider's web or cobweb (from the obsolete word "coppe", meaning "spider" sometimes with the connotation of being a dusty, abandoned web) is a device built by a spider out of proteinaceous spider silk extruded from its...

A drop or droplet is a small volume of liquid, bounded completely or almost completely by free surfaces. A drop may form when liquid accumulates at the lower end of a tube or other surface boundary, producing a hanging drop called a pendant drop....