Paper and the making of a useful surface

Paper is a sheet material commonly made from a network of fibres. It is used for writing, printing, packaging, art, and many other purposes. Its familiar appearance can suggest simplicity, but different papers have different properties. Thickness, surface texture,...

Whales: Giants of the Ocean

Whales: Giants of the Ocean Whales are among the largest and most remarkable animals on Earth. These marine mammals live in oceans around the world, from warm tropical waters to the cold seas surrounding the poles. Life Beneath the Surface Although whales spend their...