To us mortals, the flow of time goes one way. Yesterday is gone, tomorrow is yet to come, and no matter how precisely and faithfully a clock marks the passing seconds, we can never return to a moment ...

A little-known treatment for heart failure, developed more than half a century ago and refined in the '70s, may have legs as a potential therapy for Alzheimer's patients.

Many people with depression don't respond to existing treatments, and scientists think it might be because of the many different routes people can take to arrive at the same depressive symptoms. A new ...

For more than 80 years, a manuscript penned by one of the founders of quantum physics has been gathering dust in an Austrian library. Now brought to light by physics historian Flavio Del Santo of the ...

In the brains of people with Alzheimer's and certain other types of dementia, two proteins called amyloid-beta and tau start misbehaving in different ways – though it's not clear if these ...

As social media says, microplastics are this generation's lead and asbestos: useful things that seemed hunky-dory – until they weren't. Plastics are ubiquitous because they're durable, versatile, and ...

The blood vessels feeding your brain can sustain damage without an obvious warning. Scientists have now linked higher consumption of ultraprocessed foods to signs of that damage in middle-aged adults, ...

There's a profound worry underlying the fundamental physics of existence: The Universe may not be quite as stable as we'd ideally like it to be. Quantum field theory describes invisible quantum fields ...

A population of once-rare hybrid crabs has surged to record numbers, following a marine heatwave that hit the Bering Sea in 2018. This dramatic increase in hybrid crabs is not something marine ...

People with ADHD face more than issues with attention, focus, and impulses: It's a serious condition that may take years off a person's life. For the 5 percent of children and 2.5 percent of adults ...

A daily step count is a simple way to keep track of how much we move. It may also offer clues about our attention and decision-making skills. Researchers examined activity records and cognitive test ...

Our early Earth was a heavy metal album cover: a molten ball covered in a global lava ocean, spewing lethal gases while being pelted by the flaming space-rocks of our Solar System's violently chaotic ...