HBD - Stands for Human Biodiversity, and all aboard the crazy train to nutjobsville!
An article explaining HBD:http://www.dailykos.com/story/2013/1/12/1178414/-Racism-has-a-new-name-HBD
You need to see this quackery. I have spent years trolling them, these guys believe in Victorian Era to Nazi era scientific racism. In fact, a lot of them are neo-Nazis. But they try to find scientific explanations (or at least come up with pseudo-scientific theories) to human behaviour, or at least how they THINK humans should behave. Basically, a lot of them believe if you are not a racist, sexist, right-wing nutjob, you are "going against nature".
These guys get a 23andme test, read some blogs, and all of a sudden think they are experts on genetics.
Some theories they came up with:
Why is Canada's political culture left-of-centre? It is cold in Canada, they should be right-wingers to survive in such a cold environment (although leftism "goes against nature" because it allows the "genetically inferior" to survive, hence it is evil).
Leftism is a natural inclination of women and non-white people. The white man needs to rule with right-wing politics as a result.
Alpha and beta males are a thing.
Black people are genetically better fit to play basketball.
Men are genetically better fit to write code.
Women are genetically predisposed to being consumers, they don't contribute to society.
The Nordic race is the most intelligent race on the planet.
Here is a site:http://www.forumbiodiversity.com
And don't get me started on the founder lol