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image: Can Amyloid Spread Between Brains?

Can Amyloid Spread Between Brains?

By Jef Akst | September 9, 2015

A study of deceased patients who received injections of cadaver-derived growth hormone hints at the possible transmissibility of Alzheimer’s disease. 

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image: Telltale Mouth Microbes

Telltale Mouth Microbes

By Jyoti Madhusoodanan | September 9, 2015

The composition of the plaque microbiome can reveal a child’s risk of dental caries months before the decay appears, according to a study.

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image: Adapting to Elevated CO<sub>2</sub>

Adapting to Elevated CO2

By Rina Shaikh-Lesko | September 1, 2015

High carbon dioxide levels can irreversibly rev up a cyanobacterium’s ability to fix nitrogen over the long term, a study finds.

2 Comments

image: Next Generation: Cell-Covered Fastener

Next Generation: Cell-Covered Fastener

By Ruth Williams | August 28, 2015

Scientists have developed an interlocking cell scaffold for easy building and dismantling of tissues.

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image: Bacteria to Blame?

Bacteria to Blame?

By Rina Shaikh-Lesko | August 18, 2015

T cells activated in the microbe-dense gut can spark an autoimmune eye disease, a study shows. 

2 Comments

image: Yeast-Based Opioid Production Completed

Yeast-Based Opioid Production Completed

By Amanda B. Keener | August 13, 2015

Researchers fully engineer a biochemical pathway that turns a sugar into an opioid in Saccharomyces cerevisiae.

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image: Antibiotic Resistance Can Boost Bacterial Fitness

Antibiotic Resistance Can Boost Bacterial Fitness

By Anna Azvolinsky | July 22, 2015

In some pathogenic bacteria, certain antibiotic resistance–associated mutations may also confer an unexpected growth advantage.

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image: Underground Immunity

Underground Immunity

By Kara Manke | July 16, 2015

Arabidopsis thaliana defense hormones shape the plant’s root microbiome. 

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image: Mini Brains Model Autism

Mini Brains Model Autism

By Ruth Williams | July 16, 2015

Patient-derived organoids reveal autism spectrum disorder–associated anomalies.

6 Comments

image: Evolution of Kin Discrimination

Evolution of Kin Discrimination

By Ashley P. Taylor | July 6, 2015

A bacterium’s ability to distinguish self from non-self can arise spontaneously, a study shows, reigniting questions of whether the trait can be considered an adaptation.

3 Comments

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