Politically correct laws of science

Artists' Law of Bravery
Criticism of a religion is inversely proportional to the probability of its proponents killing you multiplied by their density

Boyle's Law
Global Warming is a product of peer-Pressure and the Volume of calls for 'something to be done'.

Wilberforce’s 1st Law of Guilt;
Guilt (as measured by public prostration) is inversely proportional to Responsibility (as measured by personal involvement) multiplied by Time (since event occured)

Dawkin’s 2nd Law of God
Belief in God is inversely proportional to belief in Gaia

The Roe Wade Feminist Law
Hatred of the killing of adults (gun ownership and war) is directly proportional to Love of the killing of babies (abortion)

etc.
Headsup from TimBlair
who has his own version of them HERE
although many of them are only funny if you are Australian.