Graphic showing the development of the human brain for the first 21 years of life. As we grow, our brain grows and matures, but does not become fully mature until age Our brains develop most rapidly in the first few years of life.
The Brazilian Horned Frog (Ceratophrys aurita). It is reportedly the largest of the Horned frog family. A rain forest dweller, it spends its time buried in the leaf litter of the forest floor waiting in ambush for its next meal.