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You know how your grandfather could tell a storm was coming by an ache in his knee? University of Cincinnati researchers say lightning may affect the onset of headache and migraines.

Geoffrey Martin, fourth-year medical student, and his father Vincent Martin, MD, professor in the division of general internal medicine, led the study which showed that there was a 31 percent increased risk of headache and 28 percent increased risk of migraine for chronic headache sufferers on days lighting struck within 25 miles of study participant's homes.

In addition, new-onset headache and migraine increased by 24 percent and 23 percent in participants.

Fossilized teeth have led to identification of at least 23 species of small meat-eating dinosaurs that roamed western Canada and the United States between 85 and 65 million years ago, a large increase from the 7 species of small two-legged meat-eating dinosaurs from the North American west that had previously been identified.

The researchers examined a massive dataset of fossil teeth that included samples from members of the families to which Velociraptor and Troodon (possibly the brainiest dinosaur) belong.

While many people believe they can multitask, a new paper indicates yet again that people who multitask the most, including supposedly easy things like talking on a cell phone while driving, are least capable of doing so.

Since this is a psychology study, it involved putting 310 undergraduate psychology students who wanted extra credit through a series of tests and questionnaires to try and measure actual multitasking ability, perceived multitasking ability, cell phone use while driving, use of a wide array of electronic media, and personality traits such as impulsivity and sensation-seeking. The key findings:

Antidepressant prescriptions in the UK increased by 9.6% in 2011, to 46 million prescriptions. Since that is for a total of only 63 million people in the last census, a lot of whom are children, the antidepressant prescription total is quite high.

But does that reflect over-medication or appropriate treatment for better diagnoses? 

An international team of researchers sequenced nuclear and mitochondrial DNA that had been extracted from the leg of an early modern human from Tianyuan Cave near Beijing, China and found that the human from 40,000 years in China is related to many people on multiple continents.

Analyses of this individual's DNA showed that the Tianyuan human shared a common origin with the ancestors of many present-day Asians and Native Americans. In addition, the researchers found that the proportion of Neanderthal and Denisovan-DNA in this early modern human is not higher than in people living in this region nowadays.

Researchers have announced the discovery of a two million year old fossil fox at the now renowned archaeological site of Malapa in the Cradle of Humankind World Heritage Site.
 

The previously unknown species of fox is named Vulpes Skinneri, for the recently deceased South African mammalogist and ecologist Prof. John Skinner of the University of Pretoria.