Frontiers

A calibration of nucleic acid (PCR) by antibody (IgG) tests in Germany: the course of SARS-CoV-2 infections estimated

In Germany, a consortium of authority-accredited laboratories (ALM) covered approximately 90% of all severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) polymerase chain reaction (PCR) tests ...
C&EN

Dense Oil in Water Emulsions using Vortex-Based Hydrodynamic Cavitation: Effective Viscosity, Sauter Mean Diameter, and Droplet Size Distribution

Multiphase Reactors and Intensification Group Bernal Institute, University of Limerick, Limerick V94T9PX, Ireland ...
Frontiers

Simple and Inexpensive Paper-Based Astrocyte Co-culture to Improve Survival of Low-Density Neuronal Networks

Picking apart the immeasurable number of parallel functions occurring within the brain remains an overwhelming challenge. A complementary approach to investigating the brain in its entirety is to ...
JSTOR Daily

Probability Generating Functions and their Iterates

Proceedings of the National Academy of Sciences of the United States of America, Vol. 56, No. 6 (Dec. 15, 1966), pp. 1912-1916 (5 pages) ...
PNAS

Army ants dynamically adjust living bridges in response to a cost–benefit trade-off

Complex systems, from ant colonies to stock markets, share a common property: sophisticated group-level structure emerges from simple individual-level behaviors. Using simple interaction rules, Eciton ...