Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
Constant change fuels burnout at work. Understanding how curiosity and the brain’s chemistry interact can help people adapt without losing energy or motivation.
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How does entropy work?

Explore entropy in action with a clear experiment showing how systems naturally move toward disorder. See physics in motion! Vanessa Williams is 'still hanging on to what I look like' Special ...
Cosmology is already a complicated field of study, so switching up the variables is extra rough.
On the Thursday, October 23, 2025 episode of The Excerpt podcast: The H-1B visa program — a key pipeline for skilled foreign workers in tech — has recently been upended by President Donald Trump. A ...
The clock the team used to demonstrate this principle consists of a pair of quantum dots coupled by a thin tunnelling barrier ...
New research reveals that nickel and urea once throttled Earth’s earliest oxygen producers, delaying the planet’s ...
A research team including a scientist from the Earth-Life Science Institute (ELSI) at the Institute of Science, Tokyo, Japan, ...
Scientists have developed a simple, low-cost method to drive key chemical reactions, which could make large-scale drug ...
This post was updated Oct. 14 at 11:14 p.m. A former UCLA professor received the Nobel Prize in chemistry Wednesday for his contributions in developing organic frameworks. Omar Yaghi, a former ...