I'd Rather be in Philadelphia

Vector Leptoquarks Could Be Rather Light ?

Some low-energy manifestations of a minimal extension of the Standard Model based on the quark-lepton SU (4) V ⊗ SU (2) L ⊗ G R symmetry of the Pati-Salam type are analysed. Given this symmetry a new type of mixing in the quark-lepton interactions is shown to be required. An additional arbitrariness of the mixing parameters could allow to decrease noticeably the lower bound on the leptoquark ma...

Pumping for gestural origins: The well may be rather dry

Corballis’s explanation for right-handedness in humans relies heavily on the gestural protolanguage hypothesis, which he argues for by a series of “intuition pumps.” Scrutinizing the mirror system hypothesis and modern gesture as components of the argument, we find that they do not provide the desired evidence of a gestural precursor to speech. Corballis traces gestural protolanguage in earlier...

Why birdshot retinochoroiditis should rather be called ‘HLA-A29 uveitis’?

BIRDSHOT RETINOCHOROIDITIS: THE ORIGINS OF THE DISEASE NAME Birdshot retinochoroiditis (BRC) is a uveitis predominantly affecting the posterior segment of the eye with dual, independent retinal and choroidal inflammation and almost only seen in Caucasians. 2 Ryan and Maumenee first described the bilateral retinochoroidal inflammatory disease in early 1980, reporting on 13 patients. These author...

Blunt renal artery trauma: how should it be treated, or rather, should it be treated?

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