Why Do Some People Have Curly Hair and Others Straight?

Either environmental or sexual selective pressure began acting on hair after humans began dispersing out of Africa.
Origins of speech crow

The Origins of Human Speech: More Like a Raven or a Writing Desk?

Language is the cognitive faculty that separates humans from other animals, but interjections have often been equated with the primitive cries of animals.
Claire Cameron The Last Neanderthal

The Novelist’s Risk: Researching The Last Neanderthal

Best-selling Canadian novelist Claire Cameron on how she researched her new novel The Last Neanderthal, with a little help from JSTOR.
Rose E. Frisch

Rose Epstein Frisch, A Scientist Who Studied Fertility, Has Died

Rose Epstein Frisch discovered the link between fatness and fertility.