Genetically-modified apple doesn't brown when bruised or cut, whales may have the ability to block out noise pollution, biodiversity researcher develops mathematical formula to count number of species on earth, and French cow's diet includes fine wine.

In the shallows of Florida Bay, the fish can be very difficult to catch. Dolphins solve the problem by creating V-shaped walls of mud,a fish trap. Caught in the jaws of the trap, the fish have no where to go, except up.

What will a group of dolphins make of the silvery rings of air produced by a bubble machine? In this video, scientists carry out an experiment that examines at dolphin play and creativity.

On the hunt for herring, killer whales use a herding call to cause discomfort and confusion for a school of herring, making the fish easy targets for a meal.

All cetaceans, including whales, dolphins, and porpoises, are descendants of land-living mammals. But how did these terrestrial ancestors evolve over millions of years into the whales and dolphins we are so familiar with today?

A list of resources and websites related to whales, dolphins, and other marine mammals that were referenced in the PBS Nature Ocean Giants series.

Join PBS Nature, as it dives into the world of whales and dolphins, and reveals the secrets of their intimate lives like never before. Watch a preview of Ocean Giants.

Human lives have been influenced by animals in matters that reach far beyond the food chain. In surprising ways, animals help teach, heal, and strengthen people -- in body, mind, and spirit.

Filmmaker Hardy Jones used his camera as a tool for conservation, filming dramatic dolphin hunts and documenting the effects of chemical pollution on dolphins and orcas.