Category: Evolution
10 August 2009
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ScienceNOW(Science - AAAS)
Horses Get By With a Little Help From Their Friends
Mares that form close friendships have more and healthier offspring
7 August 2009
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ScienceNOW(Science - AAAS)
Extinction: Is It in the Genes?
Some creatures are just genetically prone to disappear, researchers find
27 July 2009
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ScienceNOW(Science - AAAS)
Microbe Evolution Gets a Push
New strategy allows researchers to rapidly introduce new mutations just where they want them
17 July 2009
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ScienceNOW(Science - AAAS)
What's Going on in Darwin's World?
A wrap-up of some of the recent stories on Science's evolution blog, Origins
8 July 2009
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ScienceNOW(Science - AAAS)
Fewer Resources Means Fewer Sons
Low-ranking wives have more daughters in some Rwandan societies
25 June 2009
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ScienceNOW(Science - AAAS)
Evolution Heats Up in the Tropics
Warmer climates accelerate evolution rate in mammals, new study says
16 June 2009
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ScienceNOW(Science - AAAS)
Why Big Bird Isn't Bigger
Slow-growing feathers help keep flying birds small
15 June 2009
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ScienceNOW(Science - AAAS)
On the Road to a New Species
Small gene change a big deal for island bird
11 June 2009
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ScienceNOW(Science - AAAS)
DNA-like Molecule Replicates Without Help
Protein-nucleic acid hybrids might have jump-started the origin of life
15 May 2009
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ScienceNOW(Science - AAAS)
When Its Environment Changes, So Does a Sparrow's Tune
Lost tapes reveal evolution of bird song
14 May 2009
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ScienceNOW(Science - AAAS)
Helping Bees Get a Grip
Petal cells provide footholds for pollinators
23 April 2009
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ScienceNOW(Science - AAAS)
Mooove Over Humans, the Cow Genome is Here
Cattle code sheds light on what makes good milk and beef
![Picture of Puijila darwini](http://news.sciencemag.org/sciencenow/assets_c/2010/02/200942211-thumb-60x60-2043.jpg "Read: Arctic Fossil Reveals a "Walking Seal"")
22 April 2009
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ScienceNOW(Science - AAAS)
Arctic Fossil Reveals a "Walking Seal"
Skeleton shows what ancestors of seals and walruses looked like before they moved to sea
![Picture of trees](http://news.sciencemag.org/sciencenow/assets_c/2010/02/200941511-thumb-60x60-2033.jpg "Read: Red Leaves Say, "Bug Off!"")
15 April 2009
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ScienceNOW(Science - AAAS)
Red Leaves Say, "Bug Off!"
Study supports idea that autumn colors deter insect pests
2 April 2009
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ScienceNOW(Science - AAAS)
Oldest Stone Blades Uncovered
Sophisticated cutting tools predate Homo sapiens
![Picture of latitudes](http://news.sciencemag.org/sciencenow/assets_c/2010/02/200940111-thumb-60x60-2010.jpg "Read: Tropical Parents More Likely to Hear, "It's a Girl!"")
1 April 2009
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ScienceNOW(Science - AAAS)
Tropical Parents More Likely to Hear, "It's a Girl!"
First global study on human sex ratios finds more girls born at warmer latitudes
13 March 2009
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ScienceNOW(Science - AAAS)
A Toxin a Day Keeps the Maggots Away
Infested caterpillars self-medicate by eating poisonous plants
3 March 2009
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ScienceNOW(Science - AAAS)
The Catastrophe That Wasn't
New sedimentary analyses suggest the great Permian extinction dragged on
26 February 2009
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ScienceNOW(Science - AAAS)
Early Humans Toed the Line
Ancient footprints show that human ancestors walked in a modern way 1.5 million years ago
17 February 2009
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ScienceNOW(Science - AAAS)
An Earlier Debut for a Famous Alga
Single cells may have united earlier than previously thought
5 February 2009
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ScienceNOW(Science - AAAS)
Borrowed Gene Blackens Wolves
Interbreeding with dogs gave wolves an evolutionary advantage
4 February 2009
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ScienceNOW(Science - AAAS)
A Much Earlier Start for Animals
Find pushes origins back 100 million years to an ice-encased Earth
29 January 2009
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ScienceNOW(Science - AAAS)
Why Can't Mules Breed?
Study chalks speciation up to subtle genetic differences
12 January 2009
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ScienceNOW(Science - AAAS)
The Fastest Way to Change a Species: Start Eating It
Human hunting alters organisms' size and breeding schedule three times faster than natural forces
9 January 2009
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ScienceNOW(Science - AAAS)
Announcing Origins, Science's New Evolution Blog
Celebrate the 200th anniversary of Charles Darwin's birth with a series of essays on evolution
17 December 2008
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ScienceNOW(Science - AAAS)
Ancient Insect Hails From Sunken Island
The Lord Howe tree lobster is 13 million years older than the land on which it dwells
15 December 2008
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ScienceNOW(Science - AAAS)
Is That You, Seabiscuit?
A horse can peg another's identity by whinny alone
26 November 2008
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ScienceNOW(Science - AAAS)
Sea Change for Turtle Origins?
Discovery of stunning fossils suggests aquatic roots
21 November 2008
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ScienceNOW(Science - AAAS)
Why the Lady Is a Tramp
Researchers identify possible motive for female philandering
19 November 2008
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ScienceNOW(Science - AAAS)
Scientists Untangle Woolly Mammoth Genome
Data give clues to creature's evolution, hardiness
13 November 2008
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ScienceNOW(Science - AAAS)
Hey Bud, Spare Some Genes?
A flower reverses its own evolution by borrowing DNA from a relative
![Picture of fairy-wrens](http://news.sciencemag.org/sciencenow/assets_c/2010/02/2008111241-thumb-60x60-1289.jpg "Read: How to Say "Danger" in Scrubwren")
12 November 2008
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ScienceNOW(Science - AAAS)
How to Say "Danger" in Scrubwren
Bird learns another's language to avoid predators
12 November 2008
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ScienceNOW(Science - AAAS)
Sounds Like My Favorite Fish
Killer whales differentiate salmon species by their sonar echoes
10 November 2008
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ScienceNOW(Science - AAAS)
So That's Why Chickens Have Combs
Birds and reptiles make hair proteins, just like mammals do
15 October 2008
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ScienceNOW(Science - AAAS)
The Grunter Gets the Worm
Scientists think they've figured out why low-pitched sounds drive earthworms above ground
8 October 2008
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ScienceNOW(Science - AAAS)
The Come-Hither Voice
Pitch of a woman's voice rises during ovulation
1 October 2008
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ScienceNOW(Science - AAAS)
Red Fish, Blue Fish, One Fish Becomes Two Fish
Changes in vision lead to new species in cichlids
23 September 2008
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ScienceNOW(Science - AAAS)
Last Ant Standing
Ants sacrifice themselves even when no threat is present
4 September 2008
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ScienceNOW(Science - AAAS)
Mammoths: Made in America
Last vestige of ancient beasts supplanted European and Asian varieties
3 September 2008
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ScienceNOW(Science - AAAS)
Finding a Guy Who Looks Like Dear Old Dad
Study reinforces the idea that men and women choose partners who resemble their own parents
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