Summary

Do spiders get thirsty?

Do spiders get thirsty? How long would it take a cow to fill the Grand Canyon with milk? How do they get the stripes on toothpaste? Plus other questions answered. Do Polar Bears Get Lonely? is the third compilation of readers' answers to the questions in the 'Last Word' column of New Scientist , the world's best-selling science weekly. This latest collection includes a bumper crop of wise and wonderful answers never before seen in book form. As usual, the simplest questions often have the most complex answers - while some that seem the knottiest have very simple explanations.