Archive

An RNA molecule that can make copies of a variety of RNAs adds new support to the RNA-world theory.

Irrationality may be a consequence of the brain’s ravenous energy needs.

The absence of supersymmetry particles at the Large Hadron Collider has settled a 16-year-old bet among physicists.

Why is it that when you walk randomly, the more you walk, the farther you get from your starting point?

The subtle mechanics of densely packed cells may help explain why some cancerous tumors stay put while others break off and spread through the body.

A discrepancy in the measured size of the “deuteron” increases the chance that something is amiss in our understanding of atoms.

Physicists are confronting their “nightmare scenario.” What does the absence of new particles suggest about how nature works?

What can the mathematical genius Srinivasa Ramanujan teach us about number theory through mathematical structures involving infinity?

Mathematicians have had a hard time finding commonalities in large groups of random shapes — until recently.