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Category: Evolution

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9 November 2011 | ScienceNOW

How Humans Became Social

by Elizabeth Pennisi
Evolutionary analysis offers clues to the beginnings of group living
4 November 2011 | ScienceNOW

Why Are There So Many Colors of Poisonous Frogs?

by Helen Fields
Clay models shed light on a rainforest mystery
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4 November 2011 | ScienceNOW

Podcast: Viking Sunstones, Happy People, and More

by Daniel Strain and Stewart Wills
Listen to a roundup of some of our favorite stories from this week
2 November 2011 | ScienceNOW

ScienceShot: Meet the Saber-Toothed Squirrel

by Brian Switek
Small mammal with big teeth scurried about during the age of the dinosaurs
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21 October 2011 | ScienceNOW

Podcast: Flying Robots, Teenage IQs, and Losing Weight by Switching Neighborhoods

by David Grimm and Stewart Wills
Listen to a roundup of some of our favorite stories from this week
17 October 2011 | ScienceNOW

Winged Robots Hint at the Origins of Flight

by John Bohannon
Flapping bots support the idea that avian ancestors first took off from trees, not the ground
11 October 2011 | ScienceNOW

Abused Chicks Grow Up to Be Abusers

by Virginia Morell
On an island in the Galápagos, researchers find that nestlings attacked by their elders do the same as adults
10 October 2011 | ScienceNOW

Snails Ship Out on Scrambled Eggs

by Daniel Strain
Bobbing invertebrates build their mucus life rafts from ancestral reproductive structures
23 September 2011 | ScienceNOW

Calculating the Language of Babel

by Sara Reardon
Researchers teach "alien languages" to discover the origins of our own
22 September 2011 | ScienceNOW

The Benefits of Being Promiscuous

by Elizabeth Pennisi
To compensate for inbreeding, female beetles mate with many partners
15 September 2011 | ScienceNOW

'Dinofuzz' Found in Canadian Amber

by Sid Perkins
80-million-year-old structures may represent earliest stages of feather evolution
12 September 2011 | ScienceNOW

Fatherhood Decreases Testosterone

by Elizabeth Norton
Lowering hormonal thermostat may help men be better parents
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1 September 2011 | ScienceNOW

The Rise of the Woolly Rhino

by Sid Perkins
New fossil discoveries may explain origin of several Ice Age creatures
24 August 2011 | ScienceNOW

'Jurassic Mother' Found in China

by Brian Switek
Ancestor of placental mammals appeared while dinosaurs roamed
23 August 2011 | ScienceNOW

Does Religion Influence Epidemics?

by Elizabeth Pennisi
Belief systems can override evolutionary tendencies in disease outbreaks
22 August 2011 | ScienceNOW

Immune System Protects Female Bedbugs From Traumatic Sex

by Elizabeth Pennisi
Insects anticipate infections from violent male insemination
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19 August 2011 | ScienceNOW

Podcast: Kamikaze Bacteria, an Alien 'Earth-Mars' Collision, and Predictable Evolution

by David Grimm and Stewart Wills
Listen to a roundup of some of our favorite stories from this week
17 August 2011 | ScienceNOW

Is Evolution Predictable?

by Elizabeth Pennisi
Different worms lose the same genes in response to crowded lab conditions
16 August 2011 | ScienceNOW

How Baleen Whales Got Their Big Gulp

by Sid Perkins
Fossil helps trace evolution from far more fearsome ancestors
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12 August 2011 | ScienceNOW

Podcast: Toxic Rats, the Benefits of Twins, and a Black Hole's Destiny

by David Grimm and Kerry Klein
Listen to a roundup of some of our favorite stories from the week
11 August 2011 | ScienceNOW

ScienceShot: World's Oldest Wood

by Sid Perkins
Fossils suggest the biomaterial first evolved to slurp up water, not strengthen stems
11 August 2011 | ScienceNOW

Three Snug Bugs

by Gisela Telis
A bacterium in a bacterium that lives in a mealybug helps keep the insect well fed
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10 August 2011 | ScienceNOW

Cod Genome Reveals Stunning Gap in Immune System

by Marian Turner
Apparent hole in fish's antibacterial defense leaves scientists puzzled
9 August 2011 | ScienceNOW

Why Do Women Have Twins?

by Sara Reardon
Study suggests evolutionary advantages of double births
26 July 2011 | ScienceNOW

Guiana Dolphins Can Use Electric Signals to Locate Prey

by Virginia Morell
First discovery of electric sensing in mammals
25 July 2011 | ScienceNOW

The Incredible Shrinking Human Brain

by Michael Balter
Study suggests we pay a hefty price for our smarts
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22 July 2011 | ScienceNOW

Podcast: Cheating Seals, Cloaking the Past, and More

by David Grimm and Stewart Wills
Listen to a roundup of some of our favorite stories from the week
21 July 2011 | ScienceNOW

'Bastard' Mouse Steals Poison-Resistance Gene

by Kai Kupferschmidt
Cross-species breeding leads to a rare advantage
18 July 2011 | ScienceNOW

Cheating on the Beachmaster

by Rebecca Kessler
Female elephant seals often avoid the harem and mate on the sly
12 July 2011 | ScienceNOW

The Mole Loses Its Mysterious Second Thumb

by Daniel Strain
Burrowing mammal's sixth finger is not a finger after all, scientists say
7 July 2011 | ScienceNOW

'Language Protein' May Help Build Brain Circuits

by Daniel Strain
FOXP2, which has been linked to the evolution of speech, may help neurons connect
7 July 2011 | ScienceNOW

Polar Bears Rooted in Ireland

by Elizabeth Pennisi
DNA shows polar bears descended from a female Irish brown bear
6 July 2011 | ScienceNOW

ScienceShot: The Rise of Jaws

by Brian Switek
New analysis gives clues to evolution of first biting fish
1 July 2011 | ScienceNOW

Chimps Are Good Listeners, Too

by Michael Balter
Like humans, chimps can pick out meaning even when the sounds of words are distorted, suggesting yet again that human language has roots in other species
30 June 2011 | ScienceNOW

Bringing Prehistoric Colors Back to Life

by Michael Balter
New techniques may allow scientists to reveal colors of first birds and other ancient creatures
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23 June 2011 | ScienceNOW

Big Dinosaurs Were Warm Beasts

by Sara Reardon
Climate modeling technique finds that dinos had body temperatures similar to those of mammals
21 June 2011 | ScienceNOW

A Cheap Imitation Is Sometimes Best

by Elsa Youngsteadt
Spiders escape predation by resembling ants, sort of
25 May 2011 | ScienceNOW

Who You Callin' Shrimp?

by Brian Switek
Prodigious prawns persisted millions of years longer and grew far bigger than previously thought
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23 May 2011 | ScienceNOW

Lousy Flies Explain Weird Evolution of Pigeon Pests

by Catherine Meyers
Hitchhiking on flies could help explain why some lice species evolve more closely with their host than others
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19 May 2011 | ScienceNOW

Mammals' Big Brains Began With a Sniff

by Ann Gibbons

Sense of smell drove evolution of larger brains

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