Desert animals must survive two demanding conditions - heat and drought. They have solved these problems in a variety of ingenious ways. Beetles and strange plants in the Namib Desert collect fog. Lizards gear their lifestyle precisely to the positi...
Whether it's a stretch of sand dunes in equatorial Africa or a cactus-covered plain in California, any place that receives less than ten inches of rain per year is considered a desert. By comparing and contrasting arid and semi-arid regions, this pr...