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Science

Brain cells, stained in red, are sensitive to hormones that influence appetite

Dieting May Cause The Brain to Eat Itself

When “autophagy” was blocked, hunger signals were blocked and the mice became lighter and leaner

After three days of working, Scott Wing and his crew went to the Churchill family picnic in Powell, Wyoming.

Wyoming Paleontology Dispatch #4: Paleontologists’ Summer Family

Mired in the mud? Need an emergency place to stay? The Churchill family has helped out for more than 80 years

A baby Cavendish's dik-dik at the San Diego Zoo

What In The World Is A Dik-dik?

Unlike other African antelope species, there are no herds of dik-diks. They form monogamous pairs that stand guard over their own territory

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Battling the Dinosaurs of Project Blackout

Dinosaurs are handy video game monsters. They’re famous, fearsome and nearly unstoppable

Luna sought the company of humans on Nootka Sound.

Luna: A Whale to Watch

The true story of a lonely orca leaps from printed page to silver screen, with a boost from new technology

Scientists have found increasing evidence that culture shapes what and how orcas eat, what they do for fun, even their choice of mates.

Understanding Orca Culture

Researchers have found a variety of complex, learned behaviors that differ from pod to pod

In the worst animal epidemic in years, white-nose syndrome threatens to wipe out some bat species.

What Is Killing the Bats?

Can scientists stop white-nose syndrome, a new disease that is killing bats in catastrophic numbers?

Female Chilean rose tarantula (Grammostola rosea), also known as the Chilean flame tarantula.

Wild Things: Tarantulas, Jellyfish and More…

Hummingbirds, attacking bears, ancient hominids and other news updates in wildlife research

The Vine With Its Own Bat Signal

Specially shaped leaves lure the flying mammals. The bats get a meal, and the flowers get pollinated

The head of Coelophysis - a close relative of Camposaurus - as restored by John Conway

The Intriguing, Frustrating Camposaurus

Paleontologists have reexamined the paltry bones and affirmed that the creature is an important link to the early days of theropod dinosaurs

The bones of Giraffatitan as discovered in Tanzania.

Tendaguru’s Lost World

The African fossil sites preserve dinosaur fossils that are strangely similar to their North American counterparts

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How To Study A Volcano

Getting this close to a bubbling cauldron of lava is not just dangerous; it’s stupid enough that even other volcanologists will yell at you

A T. rex sighting in South Dakota

Dinosaur Sighting: Wall Drug

The ultimate roadside attraction features a T. rex that shakes its head, snaps its jaws and RAWRs

What do you hate most about mosquitoes?

14 Not-So-Fun Facts About Mosquitoes

Mosquitoes are attracted to the carbon dioxide, lactic acid and octenol found in our breath and sweat. They may have a preference for beer drinkers

Barnum Brown, showing off his paleo pick in an August 1932 Popular Science

Barnum Brown’s Paleo Pick

Does “Mr. Bones” really deserve credit for inventing an essential field tool?

In these two images from the Hubble Space Telescope, Pluto's new moon, P4, can be seen to move around the dwarf planet.

What To Name Pluto’s New Moon

Disney characters aside, what would you choose to join this dark and dreary mythological circle? Styx, Erberus, Cerberus, Hypnos?

A hexagonal grain of iron sulfide in a diamond may be a flaw for jewelers, but it's useful data for scientists

Diamonds Hold Secret About Plate Tectonics

When it comes to diamonds in jewelry, perfection is everything. But imperfections are a clue to the past

Allosaurus, on display at the CEU Museum in Price, Utah

Taking a Bite Out of a Sauropod Tail

The tail vertebra has gouges, divots and scores in five places from at least two different predators

Several crocodile species are known to attack humans

What Preys on Humans?

Most of us never come in contact with a deadly predator, but there are still enough encounters to remind us that humans are not the top of the food web

Line drawings of the skulls of Acristavus (top), Maiasaura (middle), and Brachylophosaurus (bottom)

Acristavus: North America’s New Hadrosaur

Dinosaurs with weird structures such as sails and arrays of horns often make the news, but in this case, the lack of specialized structures is important

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