Scientists have discovered a hidden fibrous sheath beneath the belly button that explains why navels stay concave for life.
Scientists have discovered a new abdominal structure called the umbilical sheath, which anchors the remnant of the umbilical ...
If you’ve spent any time scrolling parenting reels on TikTok and Instagram that claim to teach you the things veteran parents “wish they knew” earlier, you’ve likely come across this one: sticking a ...