Do Polar Bears Get Lonely?

Why does garlic make your breath smell? How toothpaste makers get the stripes in toothpaste? Why do we get 'pins and needles'? Why are some people left-handed and other people right-handed? Can insects get fat? Do elephants sneeze? And do fish get thirsty? What causes cells to stick together in the human body rather than simply fall apart? And why are pears pear-shaped (and not apple-shaped)?

This all-new and eagerly awaited selection of the best once again presents popular science at its most entertaining and enlightening.