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Today's Highlights
Today's news headlines from the sources selected by our team:

Tiny Sea Monkeys Create Giant Ocean Currents
Every evening, sunset signals the start of dinner for billions of wiggling sea monkeys living in the ocean. As these sea monkeys swarm to the surface, they may contribute as much power to ocean currents as the wind and tides do, a new study reports., Tue, 30 Sep 2014 15:38:59 GMT

Climate Change Could Alter Human Male-Female Ratio
Climate change could affect the ratio of human males to human females that are born in some countries, a new study from Japan suggests., Tue, 30 Sep 2014 15:38:59 GMT

Sea Monkeys Migrate Towards Bright Laser Light - Fluid Motion Pattern Studied | Video
In a study of how zooplankton migration affects ocean currents, sea monkeys were subjected to a bright laser light and they collectively followed the brightest spots., Tue, 30 Sep 2014 15:38:59 GMT

Selectively rewiring the brain's circuitry to treat depression
On Star Trek, it is easy to take for granted the incredible ability of futuristic doctors to wave small devices over the heads of both humans and aliens, diagnose their problems through evaluating changes in brain activity or chemistry, and then treat behavior problems by selectively stimulating relevant brain circuits.
Medical Xpress - spotlight medical and health news stories, Tue, 30 Sep 2014 14:55:29 GMT

Axons growing out of dendrites? Neuroscientists hate when that happens
(Medical Xpress)—The well-behaved neuron receives signals through its many dendrites to generate spikes on a single axon. The electrical energy of these signals is generally believed to be integrated at the cell body and converted into pulses at the axon initial segment (this is the region where the axon sprouts, the AIS). There have always been exceptions to this neat and tidy picture of a neuron. Certain interneurons, dopaminergic cells, or neuroendicrine cells for example, have been shown to grow their axon out from a lucky dendrite instead of the soma. The existence of these anomalies is an inconvenient truth for all neuron modelers and typically they choose to ignore them. A paper recently published in Neuron now suggests that minimizing this fundamental neural character has been a mistake. Rather than mere quirk or curiousity the axon carrying dendrite, or AcD as the authors call it, is found on most neurons—at least among pyramidal cells in the CA1 area of the mouse hippocampus.
Medical Xpress - spotlight medical and health news stories, Tue, 30 Sep 2014 14:55:29 GMT

Erectile dysfunction drugs could affect vision of genetically susceptible users
Sildenafil, the active ingredient in the erectile dysfunction drug Viagra, could cause unusual visual responses in people who carry a common mutation for eye disease and may have long-term detrimental effects on their vision, UNSW Australia researchers warn.
Medical Xpress - spotlight medical and health news stories, Tue, 30 Sep 2014 14:55:29 GMT

New images from Flight MH370 hunt
The team looking for missing flight MH370 releases detailed images of the seabed for the first time, revealing extinct volcanoes and deep depressions.
BBC News - Science & Environment, Tue, 30 Sep 2014 15:38:59 GMT

Complex molecule discovered in space
The discovery of a branched carbon molecule 27,000 light-years from Earth suggests the building blocks of life may be ubiquitous throughout the galaxy.
BBC News - Science & Environment, Tue, 30 Sep 2014 15:38:59 GMT

World wildlife populations 'plummet'
The global loss of species is even worse than previously thought, with wildlife populations halving in just 40 years, a report says.
BBC News - Science & Environment, Tue, 30 Sep 2014 15:38:59 GMT

Genomic data could help doctors know whether to prescribe statins
Genomic data could predict whether statins will benefit a patient or not, according to a new article. The research suggests that genomic data alone can explain around 15 percent of patients' responses to a cholesterol-lowering statin, and further studies could increase the accuracy of these predictions.
Latest Science News -- ScienceDaily, Tue, 30 Sep 2014 15:38:59 GMT

Gene doubling shapes the world: Instant speciation, biodiversity, and the root of our existence
Researchers emphasize that polyploidy and the important role it has played, especially in plant evolution, would not have gained the recognition it deserves would it not have been for its staunch proponent, G. L. Stebbins. In the mid-20th century Stebbins synthesized what was known at that time about polyploidy, classifying different types of ploidy, discussing ancient polyploidy events, and investigating hybridizing species and polyploid derivatives.
Latest Science News -- ScienceDaily, Tue, 30 Sep 2014 15:38:59 GMT

Alcohol makes smiles more 'contagious,' but only for men
Consuming an alcoholic beverage may make men more responsive to the smiles of others in their social group, according to new research. The findings suggest that, for men, alcohol increases sensitivity to rewarding social behaviors like smiling, and may shed light on risk factors that contribute to problem drinking among men.
Latest Science News -- ScienceDaily, Tue, 30 Sep 2014 15:38:59 GMT

Out in space, the most complex organic molecule yet
The finding suggests an easier path to the formation of life on many planets, the researchers argue.
World Science, Tue, 30 Sep 2014 15:39:01 GMT

An image, or its interpretation? Newfound brain cells show surprising role
Scientists combined images of celebrities to make viewers' brains do a little extra work. Aristotle would have appreciated the results, they say.
World Science, Tue, 30 Sep 2014 15:39:01 GMT

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