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image: Biomarkers Predict Future Cognitive Impairment

Biomarkers Predict Future Cognitive Impairment

By | March 9, 2014

A blood test can predict whether an asymptomatic older adult will develop cognitive impairment or Alzheimer’s disease within two to three years, a study shows.

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image: Week in Review: March 3–7

Week in Review: March 3–7

By | March 7, 2014

The gene behind a butterfly’s mimicry; the evolution of adipose fins; bacteria and bowel cancer; plants lacking plastid genomes

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image: Convergent Fish Fins

Convergent Fish Fins

By | March 5, 2014

Adipose fins, long considered vestigial, may have evolved multiple times as a key adaptation in some fish, study finds.

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image: Flashy Deep Sea Fish

Flashy Deep Sea Fish

By | March 5, 2014

Fish with complex light-emitting photophore patterns may be primed to split into new species.

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image: More Mutations in Girls with Autism

More Mutations in Girls with Autism

By | March 4, 2014

A greater number of genetic mutations among autistic girls, compared to their male counterparts, suggests that the female brain can better handle such variations.  

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image: Goat Pheromone Double Whammy

Goat Pheromone Double Whammy

By | March 3, 2014

A single molecule emitted by male goats may influence female goat physiology and behavior.

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image: A Twist of Fate

A Twist of Fate

By | March 1, 2014

Once believed to be irrevocably differentiated, mature cells are now proving to be flexible, able to switch identities with relatively simple manipulation.

3 Comments

image: Capsule Reviews

Capsule Reviews

By | March 1, 2014

The Sixth Extinction, Joy, Guilt, Anger, Love, Ha! The Science of When we Laugh and Why, and Ten Thousand Birds

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image: Contributors

Contributors

By | March 1, 2014

Meet some of the people featured in the March 2014 issue of The Scientist.

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image: Discovering Archaea, 1977

Discovering Archaea, 1977

By | March 1, 2014

Ribosomal RNA fingerprints reveal the three domains of life.

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