NHNZ Worldwide

The scientific community is divided as to whether dolphins or whales will deliberately save a person from a shark attack. But the people who have lived through these terrifying encounters don’t doubt what happened.

With shark attacks on the rise worldwide, surfers are taking the brunt of the bites. To understand why, a one hour SharkFest special relives the most harrowing of shark vs surfer stories from the world's deadliest shark infested surf beaches.

Only the hardiest animals are capable of carving out a life in Siberia. Over a wild year, polar bears, reindeer, red-crowned cranes, cherry salmon and least weasels must endure a long unforgiving winter and take advantage of the brief abundance of spring.

Wolves, lions, hyenas, meerkats and dolphins are born without the skills they need to hunt and survive. They must learn them all from their pack. Each individual must make their contribution: as a soldier, a leader or a hunter. But they must do it within a social minefield where life is dominated by sexual tension and power struggles. It's not easy to live inside the pack.

The Harris Hawk is one of the few birds in the world that hunts in a pack. James Currie is on a mission to witness these majestic birds hunting in the wild. James ventures into the hostile Arizona desert ditching traditional bird watching methods for more radical tracking techniques to ensure he sees with his own eyes this remarkable and rare raptor behavior.

Discovering the mysterious lives of octopuses, one of the ocean's most unique creatures.

Two New Zealand fur seal pups. Born on opposite sides of New Zealand’s South Island. We follow the first few months of their lives as they struggle to learn the secrets of survival.

Shark Swarm explores some of the largest and mysterious shark aggregations on the planet. This is a nightmare. More than twelve thousand Blacktip sharks not far from the coast. Hundreds of hungry gray sharks swarming at a remote tourist destination while highly solitary Mako sharks swarm for survival at the bottom.

A fierce carnivore that is designed to kill - so what happens when the deadliest go head to head against it? Lions take on hyenas, crocodiles, hippos, the cape buffalo, and even each other, all across their pride lands as they battle each other to survive Nature's eternal war.

Five million people live in a land area smaller than New York City. To make such a small and highly urbanised place liveable, Singapore is embarking on its most ambitious project to date.

Scientists perform an autopsy on the best preserved mummy ever discovered: that of a Han aristocrat named Lady Dai. More than 2000 years after her death her flesh is still resilient and the blood in her veins is still red. What can she tell us about life in ancient China?