How Do We Measure the Distance to a Star?
The answer lies in the tiny shifts we see in a star's position as Earth revolves around the sun.
Stories by Deboki Chakravarti
Computerized Chemical Toxicity Prediction Beats Animal Testing
Researchers programmed a computer to compare structures and toxic effects of different chemicals, making it possible to then predict the toxicity of new chemicals based on their structural similarity to known ones.
Celebrate Tau Day with an Extra Slice of Pi
To understand tau, you need to understand pi. Watch how mathematicians from Archimedes on have wrapped their heads around the math of circles.