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A study presented at the European Congress of Endocrinology in Dublin suggests that some men suffering from testosterone deficiency may be missed under current clinical guidelines, while others are misdiagnosed with testosterone deficiency. 

Anna Reusch, a doctoral student at ETH Zurich's Geological Institute, was making a routine research vessel run on Lake Neuchâtel when she noticed an unusual shape on the control panel screen.

At a depth of over 100 mettrs, she found something no one had ever detected before: a crater measuring 10 meters deep and 160 meters in diameter. 

Reusch investigates the sediment in the lakes on the western Swiss Plateau for traces of past earthquakes, which involves taking high-resolution measurements of the floor of Lake Neuchâtel to find evidence of tectonically active zones that could trigger major earthquakes. The period Reusch is looking at is geologically speaking very recent: sometime in the past 12,000 years. 

The U.S. Centers for Disease Control and Prevention estimates that drug-resistant bacteria sicken two million U.S. residents annually and cause about 23,000 deaths. Federal officials have called combating antibiotic resistance a national priority.

To aid in that effort, a second-generation antibiotic has shown early effectiveness against common bacterial infections that pose a serious health threat to children and adults. Researchers discovered it by changing the chemical structure of an old antibiotic named spectinomycin, a safe but weak drug first introduced in the 1960s.
A detailed analysis of the remains of a high-status Danish Bronze Age female, known as the Egtved Girl, has revealed information about her movements, what she ate, and where her clothes came from.

The Egtved Girl, a 16–18 year old female, was discovered in the Danish village of Egtved in an oak coffin, calculated to have been buried around 3,400 years ago.
 A new class of magnets that swell in volume when placed in a magnetic field also generate negligible amounts of wasteful heat during energy harvesting.

This "Non-Joulian Magnetostriction" could change the way we think about a certain type of magnetism that has been in place since 1841, when physicist James Prescott Joule discovered that iron-based magnetic materials changed their shape but not their volume when placed in a magnetic field. This phenomenon is referred to as "Joule Magnetostriction," and since its discovery 175 years ago, all magnets have been characterized on this basis.

In 2003, while French youth protested American imperialism, 14,000 mostly elderly people were allowed to die in a heat wave. Heat waves kill a lot more people, it is believed, except they don't. Instead, an analysis of  74 million deaths in 384 locations across Australia, Brazil, Canada, China, Italy, Japan, South Korea, Spain, Sweden, Taiwan, Thailand, UK, and the USA found that cold weather kills about 20 times as many people as hot weather.