“Dead” Idea From the 1800s Could Finally Reveal Why the Universe Exists

Japanese physicists have revived Kelvin’s old idea of cosmic knots, showing how these tangled fields might explain why matter ...
Nature

Tied up with string?

Much to the delight of the mainstream media, there's a battle royal going on in physics. Over recent months, a fair bit of mud has been slung in the theoretical physics community over the issue of ...
The New York Times

Nuclear Weapons

El presidente Trump dijo que otras naciones no identificadas estaban probando sus propias armas nucleares, aunque ningún país las ha probado desde 2017. By David E. Sanger and William J. Broad Though ...
C&EN

Simple Physics-Based Analytical Formulas for the Potentials of Mean Force for the Interaction of Amino Acid Side Chains in Water. IV. Pairs of Different Hydrophobic Side Chains

Faculty of Chemistry, University of Gdańsk, Sobieskiego 18, 80-952 Gdańsk, Poland; Baker Laboratory of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853-1301; and ...