For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in ...

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain ...

Teachers often face difficult questions about evolution, many from parents and others who object to evolution being taught. Science has good answers to these questions, answers that draw on the ...

A new study from the University of Michigan suggests that organisms could get better at evolving over time. Researchers used a computer program to simulate organisms switching between beneficial and ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

New evidence published today in the journal Science upends decades of evolutionary theory about when animals first walked on land. The new findings suggest these first animals were not, as you might ...