Our local trash company has many of the same traits as the Aardvark in the wild. Both do a lot of their work during the night time hours and they are also persistent and efficient at what they do. The Aardvark is unique to the animal world just like we are unique to the trash business.
View full size image. Step aside, Spider-Man: The world's strongest stuff isn't your silk; it's sea snail teeth. The teeth of the common limpet species (Patella vulgata) are tougher than Kevlar and stronger than spider silk, researchers report in the Feb. 18 issue of The Royal Society journal Interface.
The thickest layer of the Earth. The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer, while the crust is the thinnest layer. Artistic depiction of the Earthâs structure. Image via Victoria Museum.