Benjamin Van Mooy and his team found a relationship between plankton, omega-3 fatty acids and warming ocean waters.

PHILADELPHIA (WPVI) -- Back near average tomorrow with several 50 days to follow. SATURDAY: Less wind, bright skies for most of the day. High 41, still 5 below average. TONIGHT: Cloudier skies ...

It will be blustery and bitterly cold through tomorrow. The wind will make it feel sub-zero at times. All areas will have flurries and a few snow showers with little additional accumulation. However, ...