Complex energies, quantum symmetries

In a certain sense, physics is the study of the universe's symmetries. Physicists strive to understand how systems and symmetries change under various transformations.

First pictures of enzyme that drives new class of antibiotics

Understanding how antibiotic scaffolds are constructed in nature can help scientists prospect for new classes of antibiotics through DNA sequencing and genome mining. Researchers have used this knowledge to help solve the ...

'Featherweight oxygen' discovery opens window on nuclear symmetry

Researchers at Washington University in St. Louis have discovered and characterized a new form of oxygen dubbed "featherweight oxygen"—the lightest-ever version of the familiar chemical element oxygen, with only three neutrons ...

Replaying the tape of life: Is it possible?

How predictable is evolution? The answer has long been debated by biologists grappling with the extent to which history affects the repeatability of evolution.

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