Why do jewellery chains put in a box together become so tightly knotted on themselves, and each other, that it is impossible to unknot them? (continued) Having been in the jewellery business for over ...

AI systems are beginning to produce proof ideas that experts take seriously, even when final acceptance is still pending.

Published January 7 in the journal Nature, one paper tackled the age-old problem of nature’s construction with a bit of a twist: it suggests that living networks, like our brain, may use some of the ...

A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s fabric could reshape current understanding of time. Long dismissed as fringe ...

Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s rendition of a multibranched network of neurons. Sign up for Today in Science, a free daily newsletter from Scientific ...

Does string theory—the controversial “theory of everything” from physics—tell us anything about consciousness and the human brain? Sign up for Today in Science, a free daily newsletter from Scientific ...

Blood vessels, neurons, and tree branches often form junctions that look irregular, yet they follow a shared geometric rule. Using three-dimensional scans from six kinds of organisms, researchers in ...

In this video, we explore the relationship between string theory and quantum field theory (QFT). QFT is a mathematical framework that describes nearly all particles and forces in the universe but ...

Pick up any science fiction book from the 1960s, and you’ll find parallel dimensions explained through magic portals or mysterious machines that work “just because.” Today’s readers want stories that ...