How Smart Are Dolphins?

“These brainy marine mammals can ‘read,’ plan ahead, and communicate in astounding ways. Off the coast of Honduras, on Roatan Island, a legendary experiment in dolphin communication is being attempted for the first time in 20 years — one that could prove that dolphins can, in effect, ‘speak’ with one another to coordinate their behavior. Other studies reveal that these playful marine mammals can plan ahead and problem-solve in ways few other animals can.”