More than a dozen mammal species shimmer and glint purple and green, like precious opals. Their fur is iridescent, meaning its colour appears to change depending on the animal’s orientation relative ...

Although cardiovascular disease is a leading cause of death for women, they remain underrepresented in clinical trials for common heart conditions. These findings, by investigators in the Smidt Heart ...

A study published in JAMA Neurology found that patients with atrial fibrillation who were treated with Eliquis (apixaban) and carry the APOE e4 genetic allele have a higher risk of intracranial ...

For older adults, minor falls can pose major threats, as their risk of death after a fall has tripled in the U.S. over the last 30 years. Some experts believe that certain medications — a category ...

Here’s another reason to suit up in the sack. Doctors are sounding the alarm about a little-known sexually transmitted infection taking hold in the US, warning that it can cause serious long-term ...

The internet’s new favorite slang term has some users scratching their heads. While the expression “67” (pronounced “six-seven”) has surged in popularity on social media, the significance of the ...

A virus long thought to be harmless may actually play a role in Parkinson’s disease, a condition that affects more than one million Americans. Northwestern Medicine scientists discovered Human ...

Julio Cesar Valdera Morales is a Newsweek contributor based in Spain. His focus is golf as well as politics and economics. Julio has been with Newsweek since February, 2025 and previously practiced ...

Strategy (MSTR) announced another 1,955 BTC purchase for $217 million on Monday, bringing the technology company's total holdings up to 638,460 BTC, according to an SEC filing. The recent buys were ...

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Bitcoin rose to an intraday high of $112,869.24 before falling back to the early $111,000s overnight. The leading coin's trading volume jumped 58% to $40 billion over the last 24 hours. SEC filings ...

The “squeaky clean,” “considerate” kid who grew up in a family that celebrated his academic wins and time together in their suburban Utah community is now accused of murdering conservative activist ...