evolution

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y_chromosome (1)

Long Live the Y

By Megan Scudellari

Despite suggestions to the contrary, the Y chromosome is not necessarily rotting away.

Courtesy of im.no.hero via Flickr

Boozing for Better Health

By Megan Scudellari

Fruit flies consume alcohol to kill off parasites.

Virus modelsFlickr, Razza Mathadsa

Opinion: What Is Life?

By Edward N. Trifonov

Designing the simplest possible living organism artificially may lend clues as to what life is.

Statue of Charles Darwin in the Natural History Museum, LondonWikimedia commons, Patche99z

Darwin Day Celebrations

By Edyta Zielinska

As institutions around the world start celebrations of Darwin Day, New York reveals a digitized catalog of Darwin’s scientific manuscripts.

Wikimedia Commons, John Storr

How the Zebra Got Its Stripes

By Jef Akst

Zebras may have evolved their striped coat to avoid blood-sucking flies.

The melanic carbonaria peppered moth (left) and the more common light-colored typica (right).Wikipedia, Виталий Гуменюк

Peppered Moths Re-examined

By Cristina Luiggi

The textbook example of Darwinian evolution is tested and confirmed.

stock.xchng, ywel

Indiana’s Creationism Bill a No-Go?

By Cristina Luiggi

Support for legislation that would allow creationism and other religious views to be taught alongside evolution in science classrooms wanes in the state’s House of Representatives.

Dreamstime, Joyce Michaud

Indiana Senate Backs Creationism Bill

By Cristina Luiggi

Origin of life theories from a wide range of religions may be taught alongside evolution in the state.

Pygmy hippos. Wikimedia Commons, Chuckupd

There and Back Again

By Sabrina Richards

A new study estimates the number of generations necessary to evolve from mouse-sized to elephantine, and shows that it’s quicker to get small.

Oxford University Press, December 2011

Killing with Kindness

By Barbara Oakley, Guruprasad Madhavan, Ariel Knafo, and David Sloan Wilson

Studying the evolution of altruistic behaviors reveals how knee-jerk good intentions can backfire.