Researchers from diverse backgrounds are converging on the view that human evolution
has been shaped by gene–culture interactions. Theoretical biologists have used population�…

Why do we get cancer mostly when we are old? According to current paradigms, the answer
is simple: mutations accumulate in our tissues throughout life, and some of these mutations�…

Humans are a puzzling species. On the one hand, we struggle to survive on our own in the
wild, often failing to overcome even basic challenges, like obtaining food, building shelters�…

Imitation and innovation work in tandem to support cultural learning in children and facilitate
our capacity for cumulative culture. Here we propose an integrated theoretical account of�…

There exists an undeniable chasm between the capacities of humans and those of animals.
Our minds have spawned civilizations and technologies that have changed the face of the�…

It has been suggested that the human species may be undergoing an evolutionary transition
in individuality (ETI). But there is disagreement about how to apply the ETI framework to our�…

Post‐reproductive longevity is a robust feature of human life and not only a recent
phenomenon caused by improvements in sanitation, public health, and medical advances�…

The proximate mechanisms by which physical activity (PA) slows senescence and
decreases morbidity and mortality have been extensively documented. However, we lack an�…

The human trophic level (HTL) during the Pleistocene and its degree of variability serve,
explicitly or tacitly, as the basis of many explanations for human evolution, behavior, and�…

What motivates grandparents to their altruism? We review answers from evolutionary theory,
sociology, and economics. Sometimes in direct conflict with each other, these accounts of�…