The UK desperately needs more scientists and engineers, yet highly qualified, talented and ambitious women are still deserting science. Reasons such as unconscious bias and lack of confidence are only the tip of the iceberg. Whats really going on? Could the answers be found in role models, mentors and male-support, or do women simply lack ability in science? Dr Clare Taylor (Edinburgh Napier University) and Dr Pam Cameron (Novo Science) have returned to discuss what, if anything, we should do about this loss to science.