Instead of giving just one item and moving on, the best subscription gifts are an original gift idea that quite literally keeps on giving. Your recipient will have something to look forward to each ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Gabriella Gershenson, Anna Perling and Wirecutter Staff Gift baskets often get ...

The RNA world hypothesis implies that coded protein synthesis evolved from a set of ribozyme catalyzed acyl-transfer reactions, including those of aminoacyl-tRNA synthetase ribozymes. We report here ...

Abstract: A mathematical model is a precise representation of a physical system that enables the simulation of real-world dynamics. This study focused on developing a black-box model for multivariable ...

Abstract: As a form of transportation mode, railway vehicle must be able to protect passengers from fatalities while accidents occur. For that purpose, some parts of the vehicle are designed to ...