the.com/desert
a furnace that freezes at night and hoards more secrets than it shows water
night chillSahara temperatures can plunge below freezing after dark
growingDeserts expand yearly through desertification, eating arable land
underwater pastThe Sahara was once green with rivers and lakes
definitionDefined by dryness, not heat; Antarctica counts too
life thrivesSpecialized creatures survive months with no drinking water