The average whale shark measures about 30 feet long, with a mouth stretching nearly 5-feet across. The largest whale sharks ...

“Without glancing at your nails, a dentist may be able to detect if you bite your nails ― or bite on other items, like pen ...

The constant open-mouth posture also changes how teeth erupt and align. These changes accumulate throughout childhood development, resulting in a distinct facial pattern.

We know these early teeth were simple, and they might’ve been somewhat like the teeth we see in fish today. “If you open a salmon’s mouth, all the teeth are the same and they’re ...