Superstition

The see-through skin of an 2.5-centimeter-long glass frog reveals her eggs. Native to Venezuela, the frogs lay eggs in bushes and trees overhanging streams. Tadpoles hatch, then tumble into the current to be swept away.

mothernaturenetwork:

Underground river discovered beneath the Amazon
Subterranean river is nearly as long as the Amazon River and is twice as broad.