Nobel Prize winner James Watson has flown home to America with the taunts of his critics ringing in his ears. But should he have been shunned after his explosive remarks on race?

Henry Porter: The repellent views of people such as geneticist James Watson should be countered by argument, not by more repressive laws.

Dr Andy Lewis runs a website called Quackometer; he criticised the Society of Homeopaths in no uncertain terms. In his opinion, they do not enforce their own "code of practice" (you're not even allowed to imply you can cure a named disease!); it is a figleaf; and they fail to censure their members over dangerous claims.

· Decision follows London and Bristol cancellations· Professor attempts to defend remarks in article

· Women better off being fast-tracked to IVF· Drug adds to cost and increases risks

Letters: Your article (Abortion inquiry asks scientists to disclose links to faith groups, October 15) reported fears of infiltration into the evidence and witness list by the Christian Medical Fellowship in the science and technology select committee inquiry into the scientific issues impacting on abortion law.

Marine science in Britain is underfunded and uncoordinated despite the vital role played by oceans in the planet's wellbeing, MPs warn in a report today.

·Many choose procedure for fear of losing fertility·Doctors warn there is no guarantee of pregnancy

Odours given off by breastfeeding women and newborn babies boost the sexual desires of other women, a team of fertility specialists claimed yesterday.

Scientists are working on a technique to create coatings for food containers that will cut down on waste.

It is one of the most notorious cases in British legal history, the story of an apparently mild-mannered doctor who poisoned and dismembered his showgirl wife, then fled across the Atlantic with his young lover - only to be caught after a sharp-eyed captain recognised him from the newspapers.

· Side effects of pill will be avoided, say researchers· Suppository or skin patch product still 10 years away

Women who have acupuncture alongside IVF treatment could harm their chances of becoming pregnant, researchers say.

He won the Nobel prize for finding out what DNA looks like. Now James Watson is only too happy to spill the beans on old colleagues and rivals. By John Crace.

It was four storeys tall, had a neck 10 times longer than a giraffe's and was possibly history's biggest vegetarian: meet Futalognkosaurus dukei, "chief of the lizards".

Frequent sexual activity improves the genetic quality of sperm and may help some couples conceive, fertility specialists have found.

· Scheme exploits parents' fears, fertility experts say · £8,500 procedure 'based on unproven technology'

· GM poplars break down pollutants 100 times faster · Scientists acknowledge environmental concerns

An influential inquiry into the future of Britain's abortion laws will begin today amid controversy over an apparent attempt by faith-based organisations to skew the balance of evidence presented to the committee of MPs.

New images of a giant planet's satellites taken by the 10-year Cassini probe have excited scientists.

Ben Goldacre: Danie Krugel is an ex-policeman in South Africa who believes he can pinpoint the location of missing people anywhere on the map. He does this by using his special magic box, which works through "quantum physics", but you aren't allowed to know any more than that.

Some of the the less likely participants at the Rubik's Cube World Championships in Hungary.

The former US vice-president Al Gore and the UN climate change panel will share the 2007 Nobel peace prize for raising awareness of the risks of climate change, the Nobel committee announced today.

• Study to look at 500,000 regions of human genome• £10 test could spot those needing early medication