Why, after 40 years of research, is there still no contraceptive pill for men? This edition of the science series investigates. Also, why an asteroid colliding with the earth can sometimes be good news; and how a desperately poor community in central
Vietnam is now getting back on its feet, thanks to an unusual project backed by the Save the Children Fund. Presented by Kate Bellingham , Carmen . Pryce, Judith Hann and Howard Stableford.
Producer Philip Dolling Editor Dana Purvis