Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key concepts. Perfect for math students and anyone curious about trigonometry. Judge ...

Dive into rotational dynamics with **“Physics Tutorial: Moment Of Inertia Of A Ring About An Axis.”** This video breaks down the concept of moment of inertia for a ring, explaining how mass ...

China may have led a Stone Age technological race as early as 160,000 years ago, by crafting sophisticated stone tools for cutting, piercing and sawing, according to a new study. An international team ...

Large language models struggle to solve research-level math questions. It takes a human to assess just how poorly they perform. By Siobhan Roberts A few weeks ago, a high school student emailed Martin ...

The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. In reality, there is much more to the RNA story. However, in the ...

Coffee contains caffeine, which blocks adenosine in the brain and may reduce fatigue, boost energy, and improve exercise endurance and performance. Regular coffee intake is linked to lower risks of ...

February 21, 2026 • The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what they say is potential for the U.S. to quickly deploy ...