Inbreeding

In his new book, A (Very) Short History of Life on Earth, British palaeontologist and evolutionary biologist Dr Henry Gee offers a rather blunt assessment of why humanity might already be a dead… Audio

Kat Crosse of Massey University talks about whether it's unethical to breed dogs with breathing problems. Audio

Bird sperm from native species such as robins, as well as introduced dunnocks from Dunedin, may shed light on problems with male fertility and infertile eggs. Video, Audio, Gallery