CNET

These Robot Legs Helped Me Hike 12,000 Steps in the Grand Canyon, Without My Cane

I wore this robot exoskeleton in the Grand Canyon to see if it could help me manage my spinal stenosis and keep pace with my ...

Excel’s AGGREGATE Fails on Arrays but Works with Grid Ranges

Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.
PNAS

Bacterial SEAL domains undergo autoproteolysis and function in regulated intramembrane proteolysis

SEA domains are broadly conserved among eukaryotes but absent in bacteria. They are present on diverse membrane-anchored proteins some of which have been implicated in mechanotransducive signaling ...
Wilson Center

The 2022 FIFA World Cup: Qatar’s Catalyst to Propel Development and Soft Power

Qatar will soon host the FIFA World Cup, advancing the country’s infrastructure and foreign policy goals. Yet concern is high regarding the infrastructure’s lasting utility and poor treatment of the ...
Frontiers

Automated Close-Loop System for Three-Dimensional Characterization of Spatiotemporal Optical Vortex

Recent rapid advances in spatiotemporal optical pulses demand accurate characterization of the spatiotemporal structure of the produced light fields. We report an automated close-loop characterization ...
Frontiers

Finger Angle Estimation From Array EMG System Using Linear Regression Model With Independent Component Analysis

Surface ElectroMyoGraphy (EMG) signals from the forearm used in prosthetic hand and finger control systems require precise anatomy data of finger muscles that are small and located deep within the ...
PNAS

Directed evolution of the tryptophan synthase β-subunit for stand-alone function recapitulates allosteric activation

Many enzymes perform desirable biochemical transformations, but are not suitable to use as biocatalysts outside of the cell. In particular, enzymes from heteromeric complexes typically have decreased ...