Science

Scientists reveal the world’s first complete T-rex skeleton

[ad_1] Scientists have revealed the world’s first complete T-rex skeleton, which was buried in sediment after a deadly duel with a triceratops 67 million years ago. Tyrannosaurus rex and Triceratops horridus, nicknamed the “Dueling Dinosaurs”, are kept together in what is thought to be a predator-prey encounter, where both fought …

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Surfaces help quantum switches

[ad_1] Inside the porphycene molecule adsorbed on metallic fcc[110] surfaces, hydrogen transfer reactions take place through nuclear tunnels even just below ambient temperature. The figure schematically shows an instantaneous tunneling path, obtained on a full-dimensional first-principle potential energy surface, in real space and projected on selected molecular coordinates. The fluctuation …

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Can animals use iridescent colors to communicate?

[ad_1] Anna’s hummingbird (Calypte anna) showing iridescent “ruff” feathers. Credit: Wade Tregaskis A new paper from the University of Melbourne reveals how animals use beautiful but unreliable iridescent colors as communication signals. Special adaptations allow animals to control the appearance of these changing colors so that they can convey reliable …

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