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Monday, October 6, 2014

ScienceDaily: Top Science News

ScienceDaily: Top Science News

'Programmable' antibiotic harnesses an enzyme to attack drug-resistant microbes

Posted: 05 Oct 2014 10:49 AM PDT

Conventional antibiotics are indiscriminate about what they kill, a trait that can lead to complications for patients and can contribute to the growing problems of antibiotic resistance. But a a 'programmable' antibiotic would selectively target only the bad bugs, particularly those harboring antibiotic resistance genes, and leave beneficial microbes alone.

Number of genes linked to height revealed by study

Posted: 05 Oct 2014 10:49 AM PDT

The largest genome-wide association study to date, involving more than 300 institutions and more than 250,000 subjects, roughly doubles the number of known gene regions influencing height to more than 400. The study provides a better glimpse at the biology of height and offers a model for investigating traits and diseases caused by many common gene changes acting together.

How curiosity changes the brain to enhance learning

Posted: 02 Oct 2014 09:36 AM PDT

The more curious we are about a topic, the easier it is to learn information about that topic. New research provides insights into what happens in our brains when curiosity is piqued. The findings could help scientists find ways to enhance overall learning and memory in both healthy individuals and those with neurological conditions.

Worry, jealousy, moodiness linked to higher risk of Alzheimer's in women

Posted: 01 Oct 2014 03:44 PM PDT

Women who are anxious, jealous, or moody and distressed in middle age may be at a higher risk of developing Alzheimer's disease later in life, according to a nearly 40-year-long study.

Evolving plumbing system beneath Greenland slows ice sheet as summer progresses

Posted: 01 Oct 2014 10:30 AM PDT

For the first time, researchers directly observed multiple parts of Greenland's subglacial plumbing system and how that system evolves each summer to slow down the ice sheet's movement toward the sea. These new observations could be important in accurately modeling Greenland's future response to climate change.

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