5 No-Equipment Exercises To Strengthen Your Core After 40

Skip long planks. These 5 no-equipment core exercises build stability, strength, and definition with smart, full-torso ...
CNN

Earth’s core has slowed so much it’s moving backward, scientists confirm. Here’s what it could mean

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Deep inside Earth ...
Grand Island Independent

Scientists say they’ve confirmed a slowdown in Earth’s inner core rotation. Now what?

Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...