Human Behavior

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Fred Spoor

The evolution scholar talks about a landmark new study challenging the classic view of human ancestry

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Richard Lerner

The Tufts University developmental scientist challenges the myth of the troubled adolescent in his new book, "The Good Teen"

New York City had an estimated population density of 28,491 people per square mile

Increasing Noise Blamed for Modern Deaths

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You Are Short And You're Gonna Die Soon

How exactly was the Great Pyramid built? Inside-out, thinks architect Jean-Pierre Houdin.

Monumental Shift

Tackling an ages-old puzzle, a French architect offers a new theory on how the Egyptians built the Great Pyramid at Giza

The chimp with the most human-like gait and body type walked upright more efficiently than he knuckle-walked—a finding that study co-author Herman Pontzer calls a snapshot of how this evolution may have taken place. (This composite photograph pays homage to the iconic Evolution of Man.)

Walk This Way

Humans' two-legged gait evolved to save energy, new research says

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Polynesians Beat Europeans to the "New World"

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Interview: Daniel Gilbert

What will make you happy? A social scientist explains why it's so hard to predict

One clue that the Buena Vista site was aligned with the seasons comes from a menacing statue (Ojeda is in the background) that faces the winter solstice sunset.

The New World's Oldest Calendar

Research at a 4,200-year-old temple in Peru yields clues to an ancient people who may have clocked the heavens

The cover of Superman (vol. 1) #296 (February 1976). Art by Bob Oksner

Don't Try To Be A Hero

A member of an underwater archaeology team inspects a sphinx that is at least 3,000 years old.

Raising Alexandria

More than 2,000 years after Alexander the Great founded Alexandria, archaeologists are discovering its fabled remains

Lawler, upriver from Alexandria in the Sudan: "The feeling of Alexandria was more evocative of the ancient world than anywhere else."

City of the Imagination

Andrew Lawler, author of "Raising Alexandria" talks about the hidden history of Egypt's fabled seaside capital

Typical Bank of America local office in Los Angeles

Bank of America is Seeing Green

Ancient meditation might have strengthened the mind's ability to connect symbols and meanings, eventually causing gene mutations that favored modern memory.

Meditate on It

Could ancient campfire rituals have separated us from Neanderthals?

A researcher tests a polygraph machine.

Detecting Lies

From chewing rice to scanning brains, the perfect lie detector remains elusive

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Science's 300-Year-Old Grand Unification Theory

The fragments now rest in the National Archaeological Museum in Athens.

Old World, High Tech

An ancient Greek calendar was ahead of its time

Anthropologists recently found fossils of Paranthropus robustus, also called robust australopithecines, in an excavation site in South Africa. Paranthropus coexisted with human ancestors Homo habilis and Homo erectus as recently as 1.5 million years ago. Some anthropologists had believed that Paranthropus' limited diet caused its extinction, but new evidence from the fossils suggests that Paranthropus had a varied diet that included both hard and soft plants as well as herbivores.

Teeth Tales

Fossils tell a new story about the diversity of hominid diets

What do dancing and scientific research have in common? "Creativity," says Jarvis (performing in high school in the early 1980s), and "hard work."

Song and Dance Man

Erich Jarvis dreamed of becoming a ballet star. Now the scientist's studies of how birds learn to sing are forging a new understanding of the human brain

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Wild Things: Life As We Know It

Human behavior, primate intelligence, meal planning, tree-dwelling orchids and detangling history

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