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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

19 May 2011 | ScienceNOW

Mammals' Big Brains Began With a Sniff

by Ann Gibbons

Sense of smell drove evolution of larger brains

18 May 2011 | ScienceNOW

ScienceShot: How a Lizard Lost Its Legs

by Brian Switek

Study sheds light on the mysterious origin of "worm lizards"

4 May 2011 | ScienceNOW

Treehopper Camouflage Derives From Ancestral Wing

by Elizabeth Pennisi

Extra appendage morphed into novel trait

3 May 2011 | ScienceNOW

Even Robots Can Be Heroes

by Elizabeth Pennisi

Simulation demonstrates why we take risks for others

22 April 2011 | ScienceNOW

Podcast: Dodos Get Smaller, Pluto's Atmosphere Gets Bigger, and More

by David Grimm and Robert Frederick

Listen to a roundup of some of our favorite stories from this week

19 April 2011 | ScienceNOW

ScienceShot: Jurassic Spider Not So Itsy Bitsy

by Sara Reardon

Largest fossil arachnid ever discovered may have influenced insect evolution

12 April 2011 | ScienceNOW

Early Birds Smelled Good

by Michael Balter

Powerful sniffers got the ancestors of today's birds through a massive extinction

10 April 2011 | ScienceNOW

Double the Genes, Double the Flora

by Elizabeth Pennisi

Ancient genome duplications fueled seed plant diversity

6 April 2011 | ScienceNOW

Did Feathered Dinos Spread Lice?

by Michael Balter

Parasitic insects may provide clues to bird and mammal evolution

4 April 2011 | ScienceNOW

Tuberculosis Followed the Fur Trade

by Catherine Meyers

Genetic fingerprints reveal movement of deadly bacterium from Europeans to native Canadians

30 March 2011 | ScienceNOW

ScienceShot: The Oldest Buttercup Yet

by Jennifer Carpenter

Ancient bloom clarifies evolution of flowering plants

22 March 2011 | ScienceNOW

How a Dinosaur Is Like a Vacuum Cleaner

by Michael Balter

Sauropods used their long necks to suck up food

9 March 2011 | ScienceNOW

How Humans Got Spineless Penises and Big Brains

by Sara Reardon

Missing chunks of DNA may be responsible for two features that set humans apart from other primates

4 March 2011 | ScienceNOW

Podcast: Mass Extinctions, Pinecone Evolution, and More

by David Grimm and Robert Frederick

Listen to a roundup of some of our favorite stories from the week

2 March 2011 | ScienceNOW

ScienceShot: Worms Are Divided After All

by Jennifer Carpenter

Old classification holds up under genetic scrutiny

25 February 2011 | ScienceNOW

Visions of Africa Shaped Eye Evolution

by Sara Reardon

New high-res image database could help explain why we see the way we do

23 February 2011 | ScienceNOW

Wolves Can Follow a Human's Gaze

by Virginia Morell

Study questions central tenet of dog domestication

16 February 2011 | ScienceNOW

ScienceShot: Ancient 'Seaweed' Rewrites History

by Jennifer Carpenter

Chinese fossils suggest earlier rise for complex life

14 February 2011 | ScienceNOW

ScienceShot: Too Sexy? Too Bad

by Sara Reardon

Natural selection limits how many attractive males can exist in a population

10 February 2011 | ScienceNOW

Dinos Gave Birds the Finger

by Elizabeth Pennisi

Study of animal digits helps shore up evidence that birds evolved from dinosaurs

7 February 2011 | ScienceNOW

ScienceShot: Snake Legs—Going, Going, Gone

by Sid Perkins

A new technique yields insights into how ancient reptiles lost their limbs

1 February 2011 | ScienceNOW

ScienceShot: Human Handedness Is for the Birds

by Sara Reardon

Parrots may help explain why we're either righties or lefties

26 January 2011 | ScienceNOW

How Giants Conquered the Earth

by Fredric Heeren

A new fossil helps explain how sauropod dinosaurs got so big

26 January 2011 | ScienceNOW

Orangutan Genome Full of Surprises

by Jon Cohen

Great ape has evolved at a slower rate than chimps and humans

24 January 2011 | ScienceNOW

ScienceShot: A Dino With Just One Finger

by Michael Balter

Tyrannosaurus rex relative sported a single, clawlike digit

4 January 2011 | ScienceNOW

ScienceShot: Put Up Your Dukes!

by Cassandra Willyard

An ancient flightless bird used its wings like clubs to battle rivals

20 December 2010 | ScienceNOW

Do Chimps Play With Dolls?

by Jennifer Carpenter

Young female chimpanzees cradle sticks the way human girls cradle their toys

24 November 2010 | ScienceNOW

Giant Eruption Cut Down to Size

by Naomi Lubick

New model reduces the climate-cooling impacts of Toba, a massive "supervolcano"

19 November 2010 | ScienceNOW

ScienceShot: A Complex Brain Inside a Very Big Skull

by Greg Miller

First close-up look at elephant brains reveals surprisingly diverse neurons

16 November 2010 | ScienceNOW

Evolutionary Relationships Hold, Even in Our Guts

by Helen Fields

Primate species that are closely related share similar intestinal bacteria

11 November 2010 | ScienceNOW

How Reading Rewires the Brain

by Greg Miller

Literacy enhances brain responses to reading words but may sap brainpower from other tasks

10 November 2010 | ScienceNOW

Rethinking Brain Evolution in Insects

by Jennifer Carpenter

Parasitism, not social living, may drive bigger brains

1 November 2010 | ScienceNOW

Bacteria Help Flies Select Mates

by Dan Ferber

Microbes that live in and on the insects may foster creation of new species

27 October 2010 | ScienceNOW

Did 'Snowball Earths' Trigger Animal Evolution?

by Richard A. Kerr

An ice age–induced torrent of phosphorus may have pumped up the world's oxygen levels

27 October 2010 | ScienceNOW

Mouse-Sized Primates Shed Light on Human Origins

by Ann Gibbons

Thirty-nine-million-year-old teeth belong to ancestors of monkeys, apes, and humans

12 October 2010 | ScienceNOW

Dead Fish Tell Evolutionary Tales

by Phil Berardelli

Experiments with decaying carcasses provide insights into the vertebrate fossil record

5 October 2010 | ScienceNOW

Who's Your Mommy?

by Helen Fields

Researchers trace the maternal lineage of thoroughbred horses

1 October 2010 | ScienceNOW

Keep Looking for That Extinct Mammal

by Erik Stokstad

Scientists have rediscovered more than one-third of mammals believed or suspected to be extinct

30 September 2010 | ScienceNOW

How Penguins Got Their Water Wings

by Michael Balter

Ancient fossil sheds light on how birds became such expert swimmers

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