In the never-ending battle between cat and dog owners, one factoid can't be denied: cats are terrible at helping take down big game.

But mammoth kill sites in Europe that containing lots of mammoth bones - up to 86 of the beasts - used for dwellings has led Penn State Professor Emerita Pat Shipman to formulate a new hypothesis of how these sites were formed. 
Shipman
suggests that their abrupt appearance may have been due to early modern humans working with the earliest domestic dogs to kill the now-extinct mammoth. Shipman even believes there is a way to test the predictions of her new hypothesis. 

Waterpipes - hookahs - create hazardous concentrations of indoor air pollution and poses increased risk from diminished air quality for both employees and patrons of waterpipe bars, according to a new paper from Johns Hopkins, which did an analysis of air quality in seven Baltimore waterpipe bars and found that airborne particulate matter and carbon monoxide exceeded concentrations common in public places that allowed cigarette smoking. Air nicotine was markedly higher than in smoke-free establishments. 

In the medical work force, women have representation no different than any other corporation. That makes sense, women have accounts for half of all medical student graduates for decades.

Yet in the top tiers of academia, they lag behind men. Is that gender bias? It is, claims Dr. Anna Kaatz and Dr. Molly Carnes of the University of Wisconsin-Madison.

You can't seeit from here, but the moon is lopsided; that's because of its gravitational tug-of-war with Earth.

The mutual pulling of the two bodies is powerful enough to stretch them both and they wind up shaped a little like two eggs with their ends pointing toward one another. On Earth, the tension has an especially strong effect on the oceans, because water moves so freely. The moon is the driving force behind tides. 

For the first time, scientists can see the moon's lopsided shape and how it changes under Earth's sway – a response not seen from orbit before. Because orbiting spacecraft gathered the data, the scientists were able to take the entire moon into account, not just the side that can be observed from Earth. 

How much free will do you really have? Hypnosis is silly and there is no "Manchurian Candidate" scenario happening any time soon, but we're all inductance when you get right down to it. And that could be a future path in neuroscience.

A study Current Biology writes of a causal link between activity in the ventral tegmental area and choice behavior in primates; when electrical pulses are applied to the ventral tegmental area of their brain, macaques presented with two images change their preference from one image to the other. 

Researchers at the University of California, San Diego School of Medicine have identified a therapeutic target for treating the most common form of eye cancer in adults. They have also, in experiments with mice, been able to slow eye tumor growth with an existing FDA-approved drug.

The findings are published online in the May 29 issue of the journal Cancer Cell.

"The beauty of our study is its simplicity," said Kun-Liang Guan, PhD, professor of pharmacology at UC San Diego Moores Cancer Center and co-author of the study. "The genetics of this cancer are very simple and our results have clear implications for therapeutic treatments for the disease."

People who engage in binge eating, substance abuse and obsessive compulsive disorder all share a common pattern of decision making and similarities in brain structure, according to a  new paper in Molecular Psychiatry.

Many people, regardless of occupation, have experienced a difficult boss or annoying co-workers. It might even be harassment or bullying.

It's still better than being ignored, according to a paper in Organization Science. University of British Columbia scholars contend that while most consider ostracism less harmful than bullying, feeling excluded is significantly more likely to lead job dissatisfaction, quitting and health problems.

"We've been taught that ignoring someone is socially preferable--if you don't have something nice to say, don't say anything at all," says Professor Sandra Robinson, who co-authored the paper. "But ostracism actually leads people to feel more helpless, like they're not worthy of any attention at all." 

Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman School of Public Health and Rutgers School of Public Health. Results are published online in the journal Fertility and Sterility.

According to the American Society for Reproductive Medicine, infertility affects men and women equally, and semen quality is a key indicator of male fertility.

One of the nice details lost in the big picture of the Higgs boson discovery of 2012 is that a significant part of the signal put in evidence by ATLAS and CMS is produced by a very special kind of interactions between the protons accelerated by the LHC. These are "vector boson fusion" processes, whereby it is not the protons or its constituents that come in direct contact, but rather, each proton emits a W boson, and it is the latter pair which fuse together, give rise to a Higgs particle.