Phys.org

XY or ZW? Gecko chromosomes reveal evolution's hidden playbook

XY or ZW? Gecko chromosomes reveal evolution's hidden playbookWorldPing

Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature decide instead? Sex determination is remarkably diverse across the animal kingdom.

This is a short WorldPing brief. The full report was published by Phys.org.

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Oxygen collisions reveal how quark–gluon matter approaches equilibriumWorldPing
Phys.org

Oxygen collisions reveal how quark–gluon matter approaches equilibrium

High-energy nuclear collisions recreate extreme conditions similar to those in the early universe, producing quark–gluon plasma (QGP), a hot state of matter in which quarks and gluons are no longer confined inside protons and neutrons.

Brief by WorldPing · Original reporting by Phys.org