Stinging Caterpillars of the United States
"Caterpillars – the shapes and sizes that they come in and for many the urge to touch, pick up and hold is almost irresistible. Yet although most butterfly and moth larvae are quite harmless, preferring to curl up in a ball when threatened, some will make it quite plain that they do not like to be touched. They will sting: here is a selection of the stinging caterpillars of the United States."
via arkinspace.com
Patterns of Nature : Sand Dunes at Rub al Khali
"Rub al-Khali, a huge sandy desert in the Middle East, located along the southern, western and eastern coasts of the Arabian Peninsula. It captures the territory of several countries: Saudi Arabia, Oman, United Arab Emirates and Yemen. The total area of 650 000 square meters, which exceeds the aggregate area of France, Belgium and the Netherlands."
via wahfunny.com
