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Featured news

02 Jul 2024

Study shows hairy skin does not become less sensitive with age

Our sense of touch is generally thought to decline with age, just like the other senses. However, a study has now shown for the first time that age-related decline in sensitivity only happens in hairless skin like the tip of the index finger, but not in the hairy cheeks and forearms. The authors speculate that the exceptional sensitivity of the cheeks throughout life is due to our evolutionary history as social primates, for whom touch is an important method of communication.

Featured news

19 Jun 2024

Ultrasound beam triggers ‘nanodroplets' to deliver drugs at exactly the right spot

Conventional drug delivery is inefficient and imprecise. Through a series of preclinical experiments, researchers from the University of Utah have optimized a novel, targeted method of delivery through nanodroplet carriers, which are triggered to release their drug at exactly the desired spot by a focused beam of ultrasound. Their results showed that nanodroplets with a core of perfluorooctylbromide are stable, efficient in delivery, and well tolerated. Clinical experiments are likely to follow.

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11 Jun 2024

How older people explore new spaces could suggest cognitive decline and dementia

Aging people commonly show a decline in navigation ability, and this has generally been attributed to worsening spatial memory. But now, researchers from the US have shown for the first time that this decline is partly driven by changes in typical exploration behavior by middle age. In a maze learning task, middle-aged people were less efficient explorers than young people. This discovery could have applications in the clinical diagnosis and therapy of cognitive decline and dementia.

Featured news

31 May 2024

Clues to mysterious disappearance of North America’s large mammals 50,000 years ago found within ancient bone collagen

Dr Mariya Antonosyan, Dr Torben Rick, and Prof Nicole Boivin are co-authors of a new Frontiers in Mammal Science article in which they used new methods to identify fossil bone fragments housed at the Smithsonian’s National Museum of Natural History. The insights they gained could help scientists better understand the causes and consequences of large mammal extinction.