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Five percent of men are affected by infertility and some new insights into sperms' swimming skills could shed light on why.

In a new study, researchers have shown how a protein called RABL2 affects the length of sperm tails, crippling their motility (or swimming ability), and decreases sperm production. In laboratory tests, the team found that a mutation in RABL2 resulted in sperm tails that were 17 per cent shorter than normal. Dysfunctioning RABL2 also negatively affected sperm production, resulting in a 50 per cent decrease. 
A neuroprotectant drug has been shown to protect the human brain against the damaging effects of stroke. The clinical trial was a randomized, double blind, multi-center trial that was conducted in Canada and the USA. The study evaluated the effectiveness of NA-1 (Tat-NR2B9c) when it was administered after the onset of small strokes that are incurred by patients who undergo neurointerventional procedures to repair brain aneurysms. This type of small ischemic stroke occurs in over 90% of aneurysm patients after such a procedure, but usually does not cause overt neurological disability. 

New data shared today with Europe's epilepsy community at the 10th European Congress on Epileptology (ECE) in London, demonstrated the efficacy of Fycompa(R) (perampanel) in reducing partial-onset seizures, the most common form of epilepsy, and its effectiveness and flexibility of use as add-on therapy. 

The successful treatment of partial-onset seizures (the most common form of epilepsy) remains a significant challenge in some patients and the incidence of uncontrolled partial epilepsy remains high, despite many existing anti-epileptic drugs (AEDs); between 20 - 40% of patients with epilepsy have remained poorly controlled despite these treatments.[1] The new data supports the use of perampanel as a new therapeutic option for this hard-to-treat patient population.

For some appliances, newer is not always better.  If you have an old dryer, you are better off not replacing it with an EnergyStar, more efficient model.  Unless you want to wait forever to dry your clothes, whereas newer refrigerators work better but people hold on to old ones just the same.

 Around 1 in 4 Brits admit that they have at least one household appliance that is still in regular use in their home that is more than 25 years old. Many of the people surveyed said they had held on to the appliance to get as much value for their money as possible but some say it was handed down to them by a relative and therefore it has sentimental value. 

Women may own the social sciences and education but they are under-represented in more math-intensive fields, according to a paper which looks at the US, EU, Brazil, South Africa, India, Korea and Indonesia. It was conducted by advocates of international gender issues from Women in Global Science&Technology and the Organization for Women in Science for the Developing World and it was funded by the Elsevier Foundation.

They make special note that the EU and US are low in female representation in hard science fields - but so is everyone else.

Search News Media has created an infographic which captures the evolution of publishing since the early 1400s. Starting from 1440 when Johannes Gutenberg invented the first printing press, on through the ages, highlighting greater innovation in publishing and the advent of newspapers, right up to today's digital age where online content is created and distributed globally in a matter of minutes, the unique infographic offers a fantastic snapshot of how publishing has changed over the centuries. 

The infographic also illustrates how publishing, thanks to the advent of digital publishing, has removed the traditional barriers to entry, making it possible for anyone to become a publisher in the modern day.