Unfolding San Lorenzo

Cacao use and the San Lorenzo Olmec.

Mesoamerican peoples had a long history of cacao use--spanning more than 34 centuries--as confirmed by previous identification of cacao residues on archaeological pottery from Paso de la Amada on the Pacific Coast and the Olmec site of El Manatí on the Gulf Coast. Until now, comparable evidence from San Lorenzo, the premier Olmec capital, was lacking. The present study of theobromine residues c...

San Lorenzo and the Poggendorff illusion in Ravenna

In the Mausoleum of Galla Placidia (Ravenna, Italy), the San Lorenzo lunette shows two peculiar visual effects: a transparency effect of gold seen through gold and perceptual collinearity between two parts of a cross which are physically misaligned. Both effects are found within the area of the halo surrounding the saint's head. In this work we addressed the problem posed by the physical misali...

1205-1211 Lorenzo LAJP 3261:Lorenzo

An observational, longitudinal and prospective study was carried out from October 2011 to March 2012 in order to evaluate the adequacy of thromboembolic prophylaxis prescribed in an Emergency Department according to the PRETEMED (Prevention of thromboembolic venous disease in medical patients) guide. For each patient an adjusted risk of venous thromboembolism (VTE) was calculated and the clinic...

Lorenzo Magnani

What distinguishes abductive inference from other modes of inference? What distinguishes the different forms of abductive inference? These are perhaps the key questions that face the student of abduction, and the core of Lorenzo Magnani’s book is devoted to them. The book contains, among other things, a defence of several putative distinctions, and it touches on an impressively wide range of pe...

Lorenzo Peña «