Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Robert Kelly is managing director of XTS Energy LLC ...

Have you ever wondered why sometimes in the midst of conversation, when talking about certain cities, Le Mans becomes Mans?

Discover how reflation policies like tax cuts and infrastructure spending stimulate economic recovery after a slowdown. Learn ...

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...

Lower back spasms are involuntary contractions or tensing of the muscles in the lower back, and they may affect movement. Doctors may recommend medications, lifestyle changes, and complementary ...

Abstract: We introduce the concept of a control contraction metric, extending contraction analysis to constructive nonlinear control design. We derive sufficient conditions for exponential ...

Abstract: In this article, we examine the role of differential positivity in the contraction analysis of discrete-time nonlinear systems with parameters that follow stochastic processes. We ...

Labor contractions can feel like intense cramps or pressure. Braxton-Hicks contractions do not follow a pattern and may stop with activity. Early labor contractions become more regular and stronger ...

a Medizinische Klinik, Klinikum Innenstadt, University of Munich, Munich, Germany, b Department of Internal Medicine, Park-Klinik Weissensee, Berlin, Germany Dr W A Voderholzer, Medizinische Klinik, ...

Voluntary muscles can be controlled by the person, like muscles in your neck and legs. Involuntary muscles work without you thinking about it, like your heart and stomach muscles. Skeletal muscles ...