
Xploration Nature Knows Best
The Bullit Center living building mimics a tree; nature-based inventions change buildings.

The Bullit Center living building mimics a tree; nature-based inventions change buildings.

Flying planes in tight formation to mimic the energy-efficient flight patterns of migrating birds.

An asteroid may have killed off the dinosaurs; the Chelyabinsk meteor of 2013.

SETI searches for intelligent life in the universe; top candidates to host life beyond Earth.

Robots; Robonaut; the Space Exploration Vehicle; the ATHLETE rover.

What it takes to be an astronaut; the Neutral Buoyancy Laboratory; space suits.

Mars; Curiosity rover; Mars Desert Research Station.

Primates: chimpanzees; spider monkeys; howler monkeys.

Dogs: greyhounds' speed, bloodhounds' noses and border collies' brains.

Animals who live in the freezing arctic: the polar bear; the wolverine.

Fearsome predators: owls; leopards.

Examining some of the animal kingdom's fastest sprinters and cleverest species.

Yankee is stuck in quarantine because he needs further tests, before flying to Canada.

The cubs walk in the grounds of the Spier hotel, a final step in their ambassador cat training.

An 8 month old cheetah cub is taken to the vet for a check up following an operation.

The cubs prove themselves to be true athletes in the making on the exercise circuit.

Annie joins the cubs on their first walk outside the facility, to check their progress.

The four cubs are taken to the adult facility for the first time to work.

Because of a developing limp, the vet checks over four month old Yankee.

The new cub project leader flies in and meets the three month old cheetah cubs.