Chemists tie a knot using only 54 atoms

A trio of chemists at the Chinese Academy of Sciences' Dalian Institute of Chemical Physics, working with a colleague from the University of Western Ontario, has tied the smallest knot ever, using just 54 atoms. In their ...

Geologists dig into Grand Canyon's mysterious gap in time

A new study led by the University of Colorado Boulder reveals the complex history behind one of the Grand Canyon's most well-known geologic features: A mysterious and missing gap of time in the canyon's rock record that covers ...

New record set for cryptographic challenge

An international team of computer scientists has set a new record for integer factorization, one of the most important computational problems underlying the security of nearly all public-key cryptography currently used today.

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