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image: How Plants Evolved Different Ways to Make Caffeine

How Plants Evolved Different Ways to Make Caffeine

By | September 21, 2016

Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.

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image: Further Support for Early-Life Allergen Exposure

Further Support for Early-Life Allergen Exposure

By | September 20, 2016

Egg and peanut consumption during infancy is linked to lower risk of allergy to those foods later in life, according to a meta-analysis.

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image: AAAS: EurekAlert Will Be Back Online Soon

AAAS: EurekAlert Will Be Back Online Soon

By | September 15, 2016

The press release repository will be up and running in another day or so—and more secure than before, according to a spokesperson.

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image: Stingrays Chew Too

Stingrays Chew Too

By | September 15, 2016

Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.

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image: Q&A: Why I Warned AAAS About the Hack

Q&A: Why I Warned AAAS About the Hack

By | September 14, 2016

Philipp Hummel, the journalist who alerted EurekAlert administrators to a security breach, discusses the role of embargoes in science reporting.

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image: AAAS Press Release Repository Hacked

AAAS Press Release Repository Hacked

By | September 14, 2016

EurekAlert is offline after a journalist alerts the American Association for the Advancement of Science to a security breach.

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image: Week in Review: September 5–9

Week in Review: September 5–9

By | September 9, 2016

Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior 

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image: Giant Petri Dish Displays Evolution in Space and Time

Giant Petri Dish Displays Evolution in Space and Time

By | September 8, 2016

As E. coli bacteria spread over increasingly concentrated antibiotics, researchers discover novel evolutionary pathways that confer resistance.

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image: Promoting Protein Partnerships

Promoting Protein Partnerships

By | September 1, 2016

Scientists generate new protein-protein interactions at an impressive PACE.

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image: Protein or Perish

Protein or Perish

By | September 1, 2016

A bacteriophage must evolve certain variants of a protein or die.

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