Do Polar Bears Get Lonely?: And 110 Other Questions

Ships from Spain. Please allow 10-18 business days to arrive at UK address (10-21 worldwide) due to postal service checks and customs. 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? This 3rd compilation of readers' answers in the "New Scientist" presents popular science at its most entertaining and enlightening.