We tested 16 models from top brands, including Giro, Specialized, Lazer, and more, to find the best road bike helmets.

The Smithsonian’s portraits of women scientists give us a glimpse into the lives that helped shape modern discovery. Each ...

The authors describe an interesting approach to studying the dynamics and function of membrane proteins in different lipid environments. The important findings have theoretical and practical ...

Abstract: In this letter, a compact high-gain periodic leaky-wave endfire antenna is proposed. It has the advantages of compact structure, high gain, and high gain-to-length ratio by satisfying the ...

Abstract: A soft actuator is a type of actuator made of flexible materials such as rubber. It has a simple structure, so it is easy to miniaturize. In addition, it is highly safe for human-body and is ...