Here's what 'core sleep' really means, according to your Apple Watch

Sleep scientists have one meaning for this term. Your Apple Watch has another.
Phys.org

Earth's inner core: Nobody knows exactly what it's made of, but now we've started to uncover the truth

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...

I did core exercises daily for 2 weeks—what happened surprised me

Fitness experts weigh in on an editor’s core workout experiment.
Self

What Exactly Is Your ‘Deep Core’—and How Do You Strengthen It?

If you’ve scrolled through GymTok recently, you’ve probably seen fit-fluencers touting “deep core exercises” as the way to a “snatched” waist. But TikTok’s missing the main point here: Your deep core ...
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 ...
The Conversation

What’s the difference between abs and core? One term focuses on aesthetics – and the other on function

You’ve probably heard the terms “abs” and “core” used in social media videos, Pilates classes, or even by physiotherapists. Given they seem to refer to the same general area of your body, you might ...
The Conversation

Earth’s inner core: nobody knows exactly what it’s made of – now we’ve started to uncover the truth

The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...