Sex
Statisticians report that we spend a lot of our time thinking about. Put that time to good use with our experts:
Doing the numbers
OpenLearn on the interplay between three driving forces of humankind: Sexuality, parenthood and population.
The meaning of sex
When does sex bring fulfilment and when is it hollow? What are the limits of sexual expression? Roger Scruton talks about sex and perversion.
Facts, fear and freedom
Follow sex education through over 100 years of moral panic and blunt speaking with a brief history.
Sperm
Mike and Zeron find out how to keep their sperm in tip-top shape, make plaster casts of their testicles and take part in the world's first on-screen sperm race in able-bodied semen.
Where now?
Sex ed appears to be failing, as teen pregnancy rises and STIs increase. Is there anything education can do? Follow the debate over the way ahead.
Same old story
Warning of the risk of HIV/AIDS is one thing. Adaptation is another. Can people change their sexual behaviour?
![Living in the Arctic [photo: Nathan Gallagher]](http://www.open2.net/open2static/source/file/root/63/38/260491/house_iceberg_prog.jpg "Photo: Nathan Gallagher")
