Live Science on MSN12h
Savonoski Crater: The mysterious, perfectly round hole in Alaska that scientists can't explain
The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...
The Healthy on MSN21h
How Long Until a Tooth Infection Kills You? An Expert Doctor Answers a Surprisingly Common Question
About the expert Sasha Ross, DMD, MS, is a board-certified periodontist who has been with the Cleveland Clinic since 2013. She earned her dental degree from the Harvard School of Dental Medicine and ...