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Biomarkers and Aging in the News


'Male menopause,' affecting younger men
In my practice, I've noticed that an increasing number of younger guys are complaining of sexual concerns, such as diminished libido and erectile problems, more commonly seen in older men.
19 Sep 2018 at 6:01am


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Ancient steroids establish the Ediacaran fossil Dickinsonia as one of the ear...

The enigmatic Ediacara biota (571 million to 541 million years ago) represents the first macroscopic complex organisms in the geological record and may hold the key to our understanding of the origin of animals. Ediacaran macrofossils are as "strange as life on another planet" and have evaded taxonomic classification, with interpretations ranging from marine animals or giant single-celled protists to terrestrial lichens. Here, we show that lipid biomarkers extracted from organically preserved Ed...


20 Sep 2018 at 1:39pm

Programmable protein circuits in living cells

Synthetic protein-level circuits could enable engineering of powerful new cellular behaviors. Rational protein circuit design would be facilitated by a composable protein-protein regulation system in which individual protein components can regulate one another to create a variety of different circuit architectures. In this study, we show that engineered viral proteases can function as composable protein components, which can together implement a broad variety of circuit-level functions in mammal...


20 Sep 2018 at 1:39pm

Comment on "U-Th dating of carbonate crusts reveals Neandertal origin of Iber...

Hoffmann et al. (Reports, 23 February 2018, p. 912) report the discovery of parietal art older than 64,800 years and attributed to Neanderthals, at least 25 millennia before the oldest parietal art ever found. Instead, critical evaluation of their geochronological data seems to provide stronger support for an age of 47,000 years, which is much more consistent with the archaeological background in hand.


20 Sep 2018 at 1:39pm

Challenges for commercializing perovskite solar cells

Perovskite solar cells (PSCs) have witnessed rapidly rising power conversion efficiencies, together with advances in stability and upscaling. Despite these advances, their limited stability and need to prove upscaling remain crucial hurdles on the path to commercialization. We summarize recent advances toward commercially viable PSCs and discuss challenges that remain. We expound the development of standardized protocols to distinguish intrinsic and extrinsic degradation factors in perovskites. ...


20 Sep 2018 at 1:39pm

Regular Bedtime Might Be Key to Better Health
A study of more than 1,900 older adults has found that those who didn't keep to a regular bedtime and wake time weighed more, had higher blood sugar, higher blood pressure and a higher risk of heart attack or stroke within 10 years.
21 Sep 2018 at 10:15am

Mediterranean Diet May Cut Stroke Risk for Women
Women in a new study who followed a Mediterranean diet cut their risk for stroke, but the effect was not the same for men. The reason isn?t quite clear, researchers said.
20 Sep 2018 at 2:16pm

Reports Warn of Growing Senior Opioid Crisis
Millions of older Americans are now filling prescriptions for many different opioid medications at the same time, while hundreds of thousands are winding up in the hospital with opioid-related complications, according to two new government reports.
19 Sep 2018 at 4:15pm


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