Research of plain wren duets could help further understand fundamentals of conversation

Known for their beautiful singing duets, plain wrens of Costa Rica perform precise phrase-by-phrase modifications to the duration between two consecutive phrases, achieving careful coordination as their songs unfold. A new study shows that these songbirds achieve precise coordination by adjusting the period between two consecutive phrases (inter-phrase intervals), depending on whether their song is answered, the phrase type used in the duet and the position of the inter-phrase interval within the duet.

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Introverts prefer mountains

In a series of three studies, researchers tested whether there is a link between personality and an aspect of physical ecology: flat terrain versus mountainous terrain. The study found that only one of the Big Five personality traits predicted terrain preference — extraversion.

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Drug research, development more efficient than expected

Despite ever increasing regulation in drug approval and the rising costs of research, drug research and development remains unexpectedly efficient, a new shows. To investigate the efficiency in the development of new drugs, the researchers analyzed a data set consisting of new drugs approved by the FDA. They looked at efficiency indicators that could potentially positively influence the approval of new drugs.

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Employees become angry when receiving after-hours email, texts

People who receive electronic correspondence from work after hours become angry more often than not and that can interfere with their personal lives, a new study from a management researcher shows.

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Disease, evolution, neurology, and drugs: Fruit fly research continues to teach us about human biology

Over 1,500 scientists from 30 countries and 46 states will attend the 56th Annual Drosophila Research Conference. The conference will feature close to 1,000 presentations (including 170 talks) describing cutting-edge research on genetics, developmental biology, cancer, stem cells, neurology, epigenetics, genetic disease, aging, immunity, behavior, drug discovery, and technology. It is the largest meeting in the world that brings together researchers who use the fruit fly Drosophila melanogaster to study biology.

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Enhancing studies on a possible blood biomarker for traumatic brain injury

New technology could help advance blood biomarker capabilities for improved diagnosis, treatment and prognosis of traumatic brain injury (TBI). An estimated 1.7 million Americans suffer a traumatic brain injury each year, and an estimated 5.3 million individuals — approximately two percent of the U.S. population — are living with disability as a result of TBI. Traumatic brain injuries can occur from even the slightest bump or blow to the head.

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Growth signal can influence cancer cells' vulnerability to drugs, study suggests

In theory, a tumor is an army of clones, made up of many copies of the original cancerous cell. But tumor cells don’t always act like duplicates, and their unpredictable behavior can create problems for treatment. For while some cells within a tumor succumb to anti-cancer drugs, others may survive to bring the cancer back to life once therapy has ended.

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