What would lead to acceptance of the null hypothesis of the Human Genome Project as regards psychological traits?

The hypothesis of the Human Genome Project (HGP) was that differences in DNA sequences would significantly explain why one individual is more likely to...

I often think it’s comical;
How Nature always does contrive!
That every boy and every gal
That’s born into the world alive
Is either a little Liberal
Or else a little Conservative!
Fal, lal, la!

(from Gilbert and Sullivan’s...

Your main areas of interest are the genetics of sexual orientation and female dysfunction. Is that an easy field to work in?
I think the major advantage I have from working in this specific research field is that there is still so much to be explored,...

We’re here in Stockholm, where I think the popular idea of dandelion children – those with ‘resilient’ genes who will do well in most conditions – actually originated.
The idea of dandelions and orchids originates from Tom Boyce, he used the metaphor....