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Carrie Arnold

Carrie is a freelance science writer living in Virginia. When she's not writing about cool critters, she's spending time outside, drinking coffee, or knitting. You can visit her website at http://www.carriearnold.com

Toxic “Toupee”: Explaining the Most Venomous Caterpillar in the U.S.

No warm and fuzzy here—a possible boom in a highly venomous but irresistibly touchable caterpillar is sending people in the eastern U.S. to the hospital.

Mystery Solved: How Archerfish Shoot Water at Prey With Stunning Precision

Archerfish, which use water jets to take down prey, are much more skilled and sophisticated target shooters than thought, a new study says.

Wolves Vulnerable to Contagious Yawning

Contagious yawning in wolves give researchers a glimpse at the roots of empathy.

Scientists Solve Mystery of How Hummingbirds Taste Sweetness

How hummingbirds acquired their sweet tooth has been quite the mystery. But scientists think they may cracked the case.

Mystery Solved: How Snakes Climb Trees

Researchers discover that for snakes climbing trees, it’s all about safety first.

Why Are Jellyfish Swarming This Summer?

Swarms of jellyfish that have appeared recently in the Pacific Northwest and the United Kingdom are not unusual, but may signal an ocean out of balance, experts say.

How Do Horses Communicate? New Signals Found

A horse’s large, mobile ears can help tell another horse where to direct its attention, a new study says.

Mystery Solved: Why Peacocks Got Their Eyespots

The brilliant plumage of peacocks and related birds may be a result of female preference, a new study says.

Transgender Algae Show How Males and Females Came to Be

How sexes evolved in the first place has been a lasting mystery in biology. Thanks to some transgender algae, scientists may have cracked this evolutionary whodunit.

Researchers Discover “Bizarre” Jurassic Insect With Giant Sucker

Scientists have discovered a “bizarre” parasite from the Jurassic era that really sucked. An international team of researchers recently described this 165-million-year-old fossilized fly larvae that they found in Inner Mongolia, an autonomous region in northeastern China once studded with volcanoes and freshwater lakes. They named the species Qiyia jurassica (“Qiyia” is derived from the Chinese word for “strange”),…

Vampire Bats Gain the Taste of Blood, Lose Their Taste of Bitter

When vampire bats acquired their taste for blood, they lost their ability to sense bitter flavors, according to a new study.

Lionfish Flare Their Fins to Hunt Together

A new study finds that lionfish—those venomous, striped invaders of reefs in the Caribbean and off of Florida—fan their fins to gather a posse while hunting prey.

Listen: Singing Apes and More Animal Musicians

From the silvery gibbon of Indonesia to the grunting toadfish of the sea, listen to some of nature’s most amazing musicians.

Crickets Lose Ability to Sing: “Evolution in Action”

Ten years ago, some male crickets in Hawaii began to fall mysteriously silent, and now scientists have discovered why.

Spider Disguises Itself as Bird Droppings

The spider Cyclosa ginnaga hides from predators by looking like a pile of bird feces, a new study says.