Academics are often accused of 'splitting hairs', but a team has now devised a machine to do just that. We all have a bad hair day from time to time, and split ends are a common problem. However, the science behind this kind of hair damage is poorly understood, which is why scientists are investigating this knotty problem.
Read more …Splitting hairs: Science of biomechanics to understand of bad hair days

People who eat a healthy, sustainable diet may substantially lower their risk of premature death in addition to their environmental impact, according to a new study. This large study directly evaluates the impacts of adherence to recommendations in the landmark 2019 EAT-Lancet report. The researchers have named the dietary pattern outlined in the report -- which emphasizes a variety of minimally processed plant foods but allows for modest consumption of meat and dairy foods -- the Planetary Health Diet (PHD).
Read more …Planetary Health Diet associated with lower risk of premature death, lower environmental impact

Some Americans are questioning[1] whether elderly people like Joe Biden and Donald Trump are cognitively competent to be president amid reports[2] of the candidates mixing up names while speaking[3] and having trouble recalling details of past personal events[4].

I believe these reports are clearly concerning. However, it’s problematic to evaluate the candidates’ cognition based only on the critiques that have gained traction in...

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