The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

The "old friends" hypothesis was proposed by Graham Rook in 2003 as an alternative to or refinement of the hygiene hypothesis, originally brought forward by Strachan in 1989 as an explanation for the ...

From ancient Greek philosopher Plato to Neo, hero of the dystopian film fantasy The Matrix, humans have long pondered the true nature of reality. Can we trust what we see, taste, touch, smell, and ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Systems biology methods accumulate a vast array of information to generate hypotheses and discover new cellular relationships. A combination of 'omics' technologies now provides important proof of ...

A study in Australia supports genetic screening in young adults before symptoms show, but the generalizability and cost–benefit ratios need to be examined in other settings. Analyses of hundreds of ...

The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang. NASA's James Webb Space Telescope (JWST) captured this image of the iconic ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...