In a tiny corner of western Poland, a forest of about 400 pine trees grow with a 90 degree bend at the base of their trunks – all bent northward. Surrounded by a larger forest of straight growing pine trees, this collection of curved trees, or “Crooke
Curved barchan dunes and a straight seif dune lie in the north polar region of Mars, where the first significant change to sand dunes was detected in 2008. The study reported that two twenty-meter-wide dome dunes disappeared and a third shrank by 15 perce