Botanists have found a stand of rare trees in Tanzania’s Zanzibar archipelago not known to grow wild anywhere else in Africa.

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

Knysna is the crowning jewel of South Africa's famous Garden Route, the coastal stretch known for its beaches, indigenous forests and charming towns. Knysna is situated on a vast lagoon and won fame ...