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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 that has passed.

But for a time crystal, things are very differ...

Your dreams may not foretell the future, but the way that your heart falls asleep just might.

Researchers have now shown that in the early stages of sleep, as the nervous system undergoes rapid changes, the heart's electrical activity can be used to determine future health risks.

All that is needed is the data from one electrocardiogram (ECG) lead, placed on th...

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 study found a quarter of patients fit into a 'circadian' subtype of dep...

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.

The treatment is called

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 University of Geneva, the three-page document is the very soul of b...