The idea that many people grow following trauma may be a myth

“What does not kill me, makes me stronger,” 19th century German philosopher Friedrich Nietzsche famously wrote. Variations of that aphorism abound in literary, spiritual and, more recently, psychological texts. That…

A new origin story for domesticated chickens starts in rice fields 3,500 years ago

It turns out that chicken and rice may have always gone together, from the birds’ initial domestication to tonight’s dinner. In two new studies, scientists lay out a potential story…

A Denisovan girl’s fossil tooth may have been unearthed in Laos

A molar tooth from Southeast Asia probably belonged to a member of a cryptic group of Stone Age hominids called Denisovans, researchers say. If so, this relatively large tooth joins…

A special brew may have calmed Inca children headed for sacrifice

Two Inca children slated for ritual sacrifice more than 500 years ago quaffed a special soothing concoction that has gone undetected until now. Those young victims, most likely a girl…

Ancient ‘smellscapes’ are wafting out of artifacts and old texts

Ramses VI faced a smelly challenge when he became Egypt’s king in 1145 B.C. The new pharaoh’s first job was to rid the land of the stench of fish and…

How ancient, recurring climate changes may have shaped human evolution

Recurring climate changes may have orchestrated where Homo species lived over the last 2 million years and how humankind evolved. Ups and downs in temperature, rainfall and plant growth promoted…

North America’s oldest skull surgery dates to at least 3,000 years ago

A man with a hole in his forehead, who was interred in what’s now northwest Alabama between around 3,000 and 5,000 years ago, represents North America’s oldest known case of…

Social mingling shapes how orangutans issue warning calls

Human language, in its many current forms, may owe an evolutionary debt to our distant ape ancestors who sounded off in groups of scattered individuals. Wild orangutans’ social worlds mold…

One forensic scientist is scraping bones for clues to time of death

In a quiet laboratory beyond the decomposing remains on a body farm in Huntsville, Texas, Noemi Procopio works carefully with her drill. With each cut she makes into human bones,…

Africa’s oldest human DNA helps unveil an ancient population shift

Ancient Africans in search of mates traded long-distance travels for regional connections starting about 20,000 years ago, an analysis of ancient and modern DNA suggests. That shift occurred after treks…