A team of intrepid presenters travel to the edge of the Arctic - and beyond - to find out what life is like on top of the world. They observe the polar bears of Hudson Bay, in Canada, as they wait for the sea-ice to form so they can begin their winter hunt.
Many of us are obsessed with the pursuit of acquiring younger, more attractive, shinier versions of ourselves. But many of the thousands of beauty products we eagerly buy have few, if any, scientific credentials. They're generally not tested by independent researchers, nor are they subjected to any large approved clinical trials - because they're not classified as medicine.
Our lifespan is increasing by 2.5 years every decade and a third of all babies born today can expect to live to 100. Old age itself, however, brings with it a range of debilitating illnesses, many of which are the result of accumulating damage during our lifetime. But a revolution in bio-medicine is now offering new hope for the treatment of these ailments, and the potential to extend our lives still further.
Vicious mega mammals, giant venomous lizards and huge terror birds - this shocking documentary examines the most bloodthirsty predators to have dominated our planet. This programme brings these terrifying beasts back to life in vivid detail using visual stunts, stunning CGI, surprising comparisons and photo-real reveals.
From the smallest creature under the microscope to the limitless expanses of space, BBC Earth brings viewers face-to-face with heart-pounding action, mind-blowing ideas and the wonder of being human.