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» physiology and evolution

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image: Opinion: What Is Life?

Opinion: What Is Life?

By | February 16, 2012

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

100 Comments

image: Darwin Day Celebrations

Darwin Day Celebrations

By | February 13, 2012

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

29 Comments

image: How the Zebra Got Its Stripes

How the Zebra Got Its Stripes

By | February 9, 2012

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

24 Comments

image: Peppered Moths Re-examined

Peppered Moths Re-examined

By | February 9, 2012

The textbook example of Darwinian evolution is tested and confirmed.

15 Comments

image: Indiana’s Creationism Bill a No-Go?

Indiana’s Creationism Bill a No-Go?

By | February 6, 2012

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

9 Comments

image: Indiana Senate Backs Creationism Bill

Indiana Senate Backs Creationism Bill

By | February 2, 2012

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

52 Comments

image: There and Back Again

There and Back Again

By | February 1, 2012

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.

9 Comments

image: Book Excerpt from <em>Pathological Altruism</em>

Book Excerpt from Pathological Altruism

By | February 1, 2012

In Chapter 1, editors Barbara Oakley, Ariel Knafo, and Michael McGrath introduce the concept of well-intentioned behaviors that go awry.

0 Comments

image: Calcium and the Pancreas

Calcium and the Pancreas

By | February 1, 2012

Normal pancreatic function depends on the precise flow of calcium within and into the acinar cells of the organ. When food is eaten, low concentrations of the pancreas-stimulating hormone cholecystokinin or of the neurotransmitter acetylcholine cause

0 Comments

image: Killing with Kindness

Killing with Kindness

By | February 1, 2012

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

30 Comments

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