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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

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.

Emerald Lizard Discovered in Ecuador

A new species of lizard with a brilliant emerald head is the new jewel of Ecuador.

24 New Wasp Species Mummify Their Prey

Twenty-four new species of parasitic wasp have been discovered in the cloud forests of Ecuador, a new study says.

Cartwheeling Spider Found, Inspires New Robot

Dubbed a “biological wonder,” a new species of spider discovered in Morocco flips its way out of danger, a new study says.

Why Does a Decomposing Whale Explode?

A 380,000-pound blue whale corpse has the world wondering: When will it blow? And why do whales explode?

Hostile Female Spiders Eat Males Before Mating

Female burrowing wolf spiders with violent tendencies are more likely to snack on their mates before mating, a new study says.

What’s Making Duck Sounds in the Ocean? Mystery Solved

It may sound quacky, but mysterious duck-like sounds in the oceans are made by whales, a new study says.

New Killer Sponges Found in the Deep Sea

The carnivorous invertebrates, discovered deep in the waters off California, use tiny hooks on their bodies to capture prey, a new study says.