4/12. Series exploring topical scientific issues. Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a T rex. Also in HD. [S]
4/12. Series exploring topical scientific issues. Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a T rex. Also in HD. [S]
4/12. Series exploring topical scientific issues. Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a T rex. Also in HD. [S]