A new study of telomeres in Mesoamerican women reveals that poor access to healthcare leads to chronic stress. … More Healthcare Access and Stress: The Truth is in the Telomeres
My response to challenges to my claims about external testicles and maxillary sinuses. … More The Discovery Institute says they “shellacked” me on ‘Human Errors.’ Here I defend my claims.
If you live long enough, you get cancer. But without our mutating, blundering cells, we’d never have made it out of the primordial soup. … More The Inevitability of Cancer and Why It Makes Us Great
Last weekend, the Wall Street Journal published a teaser of my new book Human Errors (available May 1st!), which you can read here. As soon as the article dropped, I began to receive emails about the article, mostly positive, but I also knew from years of blogging about human evolution that not everyone would be … More A Creationist Response to “Human Errors” (and my rebuttal)
A low waist-hip ratio WHR) is known to correlate with health, fertility, and attractiveness. However, new evidence connects WHR to number of offspring. … More New Evidence on Waist-Hip Ratio Reveals Surprising Relationship to Fertility, Urges Revision of Attractiveness Theories
A new study of woodpeckers adds nuance to the relationship between brain power and social interactions. … More From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size
Analysis of 1.8 million year old teeth reveal that this Homo habilis was right-handed. … More Even Homo habilis Was Right-handed
A new study shows how immune activity can affect social behavior in order to limit the spread of an infection. … More More evidence Connecting the Immune System with Social Behavior, with Implications for Neurodiversity
It used to happen to me all the time at work. Running late for a meeting and it’s only one flight up, so I dash up the stairs. I then arrive at the meeting huffing and puffing like I’d just run a mile. It was ONE LITTLE FLIGHT OF STAIRS! In my late 20s, I was … More I’m a runner. So why do I get winded by one flight of stairs???
Despite being one of the most influential of the early modern biologists and having crucially paved the way for Darwin, Jean-Baptiste Lamarck has mostly gone down in history for being wrong. His theory of “use and disuse” as a mechanism for evolution was roundly rejected and is often presented in introductory biology textbooks as totally misguided and even … More In Defense of Lamarck: Historical, Philosophical, and Biological Vindication of Evolution’s First Big Idea