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image: A Link Between Autism and Cannabinoids

A Link Between Autism and Cannabinoids

By | April 11, 2013

Mutations tied to autism in mice lead to deficits in the signaling pathway activated by marijuana.

9 Comments

image: Human Ancestors?

Human Ancestors?

By | April 11, 2013

Fossilized skeletal remains of the hominid Australopithecus sediba add to the puzzle of human evolution.

2 Comments

image: Week in Review: April 1-5

Week in Review: April 1-5

By | April 5, 2013

Living fossils not so fossilized; Canadian gov’t threatens scientists’ freedom to speak and publish; gene therapy for sensory disorders; an unusual theory of cancer; clues for an HIV vaccine

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image: Obama Unveils Brain Project

Obama Unveils Brain Project

By | April 3, 2013

Starting in 2014, the federally funded initiative will seek to develop new technologies capable of mapping the activity in the human brain.

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image: The Falsity of Living Fossils

The Falsity of Living Fossils

By | April 2, 2013

New studies of tadpole shrimp and other organisms show that the term “living fossil” is inaccurate and misleading.

5 Comments

image: Icy Veins

Icy Veins

By | April 2, 2013

Intrepid Norwegian explorers discovered the Antarctic icefish, a marvel of evolution, while venturing to an island at the bottom of the Earth in 1927.

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image:

"White-Blooded" Icefish, 1927

By | April 1, 2013

A bizarre group of Antarctic fishes lost their red blood cells but survived to tell their evolutionary tale, revealing a fundamental lesson about the birth and death of genes.

5 Comments

image: An Ear for Home

An Ear for Home

By | April 1, 2013

Pigeons may use ultra-low-frequency sounds to navigate—a strategy that could steer them off course in the face of infrasonic disturbances, such as sonic booms.

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image: Book Excerpt from Rough and Tumble

Book Excerpt from Rough and Tumble

By | April 1, 2013

In Chapter 3, “Tamping the Simian Urge,” author Travis Rayne Pickering contrasts the brute physicality of predatory chimpanzees with the headier hunting style employed by humans.

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image: Branching Out

Branching Out

By | April 1, 2013

Satellites of the Golgi apparatus generate the microtubules used to grow outer dendrite branches in Drosophila neurons.

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