• What are living stones?
  Living stones are special desert plants from southern Africa. They ...

• Which is the coldest desert?
  Antarctica is sometimes called a cold desert, and is in fact ...

• What is the strangest desert plant?
  Welwitschia is probably the strangest desert plant of all. It lives ...

• How do ‘resurrection’ plants survive the drought?
  When conditions get very dry, the leaves of resurrection plants ...

• How do desert flowers survive droughts?
  Many desert flowers live for only a short time and set seed rapidly ...

• How big is the largest cactus?
  The largest of all cacti is the giant cactus or saguaro, of the ...

• Why are some deserts expanding?
  Some deserts, such as the Sahara, are growing larger each year. This ...

• How deep do the roots of desert plants go?
  Some desert plants have very long roots that can tap into deep ...

• How do forests help improve the air?
  Forests help to preserve the quality of the air we breathe. They do ...

• What lives in a large cactus?
  Cacti are home to a variety of wildlife. Their flowers are visited by ...