Mathematica needs you! Add, subtract, divide and multiply your way to victory. Meet the Karate Cats and practice spelling, grammar and punctuation as you chop, kick and smash the challenges. Join ...

Abstract: Generation scheduling and other types of optimization problems for hydrothermal systems have been studied for more than 60 years. A large number of algorithms and solving strategies have ...

Abstract: Accurate power system observability relies on the optimal phasor measurement unit (PMU) placement to minimize costs while ensuring complete state observability. However, modeling the effect ...

Track your personal stock portfolios and watch lists, and automatically determine your day gain and total gain at Yahoo Finance ...

Read the latest healthcare, biotech, and pharmaceutical stock news and analysis. Uncover the latest research and company analysis to empower your investments.

In this one-pan dinner, flaky cod is finished in a chorizo-spiked sauce, alongside wilty greens and chickpeas—some tender, some crispy.

His memo came one day after San Diego City Councilmembers Sean Elo-Rivera and Kent Lee criticized implementation as 'haphazard' and 'not ready for prime time.' ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Look closely at this image, stripped of its ...

Mindful breathing can be done almost anywhere and helps calm your mind and body. Body scanning helps you notice how your body feels without trying to change it. The 5-4-3-2-1 Grounding exercise helps ...