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Science

Cave art evolved in Europe 40,000 years ago. Archaeologists reasoned the art was a sign that humans could use symbols to represent their world and themselves.

When Did the Human Mind Evolve to What It is Today?

Archaeologists are finding signs of surprisingly sophisticated behavior in the ancient fossil record

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How Hadrosaurs Chewed

Edmontosaurus has often been called the “cow of the Cretaceous”, but did this dinosaur chew like a mammal?

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The Paradox of the Nutcracker Man

Researchers have assumed Paranthropus boisei used its giant teeth to crack open nuts, but conflicting evidence suggests the hominid ate more like a cow

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What Give Cheetahs The Edge In a Race With Greyhounds

If you could put a wild cheetah up against a greyhound in a race, the cheetah would win, no problem. But why?

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Scientists Discover That Mars is Full of Water

Looking closely at a pair of meteorites originating from Mars, researchers now believe the planet likely holds vast reservoirs of water deep underground

The reconstructed cast of a juvenile Tyrannosaurus in the NHMLA’s centerpiece Dinosaur Hall display.

Beautiful Dinosaurs Ripped From Time

The Natural History Museum of Los Angeles has beautiful dinosaur displays, but what do the exhibits tell us about your connection to Triceratops and kin?

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Robots Enter the Job Market

In some cases, they’re learning to work with humans. In others, they’re taking over the whole plant

The Turing test, a means of determining whether a computer possesses intelligence, requires it to trick a human into thinking it’s chatting with another person

Are You Chatting With a Human or a Computer?

Converse with some of the world’s most sophisticated artificial intelligence programs—and decide how human they seem

No one is going to Mars until scientists figure out how to shield travelers from deadly radiation.

Mission to Mars: The Radiation Problem

NASA wouldn’t opt to expose astronauts to a 19 percent increased risk of cancer, but there’s no telling what a reality TV show would do

A restoration of Repenomamus snacking on a young Psittacosaurus

When Mammals Ate Dinosaurs

Our ancestors and cousins didn’t all live in the shadows of the Mesozoic world—some were burly carnivores

Hamadryas baboons live in complex, multilevel societies. A pair of anthropologists say Homo erectus did, too.

Why Homo erectus Lived Like a Baboon

A harsh environment might have led Homo erectus to evolve complex societies similar to those of desert-dwelling hamadryas baboons

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Release the Tarbosaurus!

A new twist in the million dollar Tarbosaurus controversy may send this dinosaur home

The new reflected near-infrared technology (far right) revealed unseen details in frescoes from the Chapel of Theodelinda, near Milan.

New Technology Reveals Invisible Details in Renaissance Art

A team of Italian scientists has uses infrared light to detect artistic flourishes that are invisible to the naked eye

Flying foxes roost in the trees in Sydney's Royal Botanic Gardens in 2008.

Bats Lose Out to Historic Trees in Sydney

Flying foxes can defoliate trees, but should the Royal Botanic Garden shoo this vulnerable species from its grounds?

A restoration of Futalognkosaurus

How to Assemble a Giant

A new museum exhibit presents one of the largest dinosaurs ever found

More clues than answers?

The Allure of Brain Scans

They sure make pretty pictures, but are we exaggerating what they can really tell us about what’s going on inside our heads?

An analysis of virus fossils suggests Denisovans, not humans, were Neanderthals' closest relatives.

Virus “Fossils” Reveal Neanderthals’ Kin

Genetic remnants of an ancient infection indicate the mysterious Denisovans, not humans, are Neanderthals’ closest cousins

Disease has often been blamed for the extinction of the last dinosaurs, such as this Edmontosaurus at the Natural History Museum of Los Angeles.

Disease and the Demise of the Dinosaurs

Cataracts, slipped discs, epidemics, glandular problems and even a loss of sex drive have all been proposed as the reason non-avian dinosaurs perished

A reconstruction of the Edmontosaurus skull LACM 23502, with a beak based on a natural mold.

Shovel-Beaked, Not Duck-Billed

A rare fossil shows that duck-billed dinosaurs were not so duck-like after all

Steven Amstrup has studied polar bears in the arctic for decades and seen the impacts of climate change firsthand.

Interview With Indianapolis Prize Winner and Polar Bear Researcher Steven Amstrup

Recognized for his role in animal conservation, Amstrup explains what climate change is doing to the arctic and what he’s doing to stop it

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