Tattooing has been practised for centuries in many cultures spread throughout the world. For the past few years, tattoos have become a main part of global and Western fashion, common among both men and women, belonging to different age groups from the later teen years to middle age. In the programme, ‘ Tattoo Hunter ,' to be aired on Discovery Channel , Friday , March 23 , 11 p.m ., follow tattoo anthropologist Lars Krutak as he investigates ancient body modification rituals from around the world. Witness the stunning artwork, different styles and scarification processes.

Secrets of nature

Find out why our planet is filled with such a bewildering diversity of mammals, reptiles, fish, birds, insects and plants in the programme, ‘ Planet Wild ,' on Animal Planet , Friday , 8.30 p.m . Stay tuned as the series reveals why nature allows strange and eccentric animals and their patterns of behaviour to flourish through the miracle of natural selection.