This is a fun one. If you need a hint, try this:
You're seeing just the top of something, and a full-size person is standing within it.
Hint No. 2: It's 2 million years old. See the full image below and read on …
It's billed as the world's largest shark jaw, measuring 9 feet (2.7 meters) tall and 11 feet (3.4 meters) across. Each tooth is the size of a pair of hands. It's being auctioned off online, and the auction closes Monday. The bid as of Friday afternoon: $746,875.
Image Credit: Heritage Auctions
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Robert is an independent health and science journalist and writer based in Phoenix, Arizona. He is a former editor-in-chief of Live Science with over 20 years of experience as a reporter and editor. He has worked on websites such as Space.com and Tom's Guide, and is a contributor on Medium, covering how we age and how to optimize the mind and body through time. He has a journalism degree from Humboldt State University in California.