WRAL

Engaging your core is not the same as sucking in your belly. Here’s the right way to do it

(CNN) — A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home ...
KTBS

What does it mean to engage your core? Experts explain

(CNN) — A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home ...
AOL

Silicon and carbon in iron may explain the onion-like layering of Earth’s inner core

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from earthquakes travel about 3 to 4 percent faster along the planet’s rotation axis ...