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Every week, millions of Americans toss their recyclables into a single bin, trusting that their plastic bottles, aluminum cans and cardboard boxes will be given a new life.

Cardiovascular disease (CVD) is the leading cause of death worldwide. According to the Global Burden of Disease study, which compiles and analyzes population health data from 204 countries, the number of CVD cases almost doubled between 1990 and 2019, rising from 271 million to 523 million worldwide.

Racial disparities played a significant role in shaping unequal COVID-19 mortality rates. What is less widely understood is how overcrowded housing conditions were an even deadlier variable.

Imagine a tribe of uncontacted hunter-gatherers in the deepest Amazon rainforest. Anthropologists airdrop dozens of smartphones loaded with social media apps, with solar chargers, simple instructions in their native language and Wi-Fi just within the tribe. What would happen to their culture and their mental health?

Astronomers have long been puzzled by two strange phenomena at the heart of our galaxy. First, the gas in the central molecular zone (CMZ), a dense and chaotic region near the Milky Way’s core, appears to be ionised (meaning it is electrically charged because it has lost electrons) at a…

If you feel like “waking up is the hardest thing I do all day” then you’re not alone. The experience has been termed “sleep inertia” and while it’s a normal part of the sleep-wake experience, it can be frustrating to wake up feeling tired.

Teenage girls who avoid meat in favour of a plant-based diet are at higher risk of developing an iron deficiency, according to our latest research.

It’s hard to imagine now, but people once believed that the bumps on your head could reveal your personality. For one thing, it’s so hard to locate the bumps on your head, let alone the thirty or so bumps the phrenologists said could be discerned. So why was phrenology such…

The US president, Donald Trump, has unleashed a string of controversial policies since returning to the White House that have put his administration at odds with most of the world. He has, at the same time, forged an alliance with one country that is willing to do his bidding abroad.

For millennia, humans lived as hunter-gatherers. Savannas and forests are often thought of as the cradle of our lineage, but beneath the waves, a habitat exists that has quietly supported humans for over 180,000 years.

Balance is so fundamental that we often take it for granted, but its importance goes far beyond just keeping us upright. In fact, recent studies have shown that the ability to stand on one leg may be one of the best physical indicators of overall health and longevity. What’s more,…