In today's Discovery: Reconstructing the face of a 700-year-old murder victim; Plus, archaeologists make a chilling discovery; and see what the biggest flood on Earth looked like.

But first: How this pig—and others like it—could save us all.

PHOTOGRAPH BY CRAIG CUTLER 

In 2018, of the roughly 95,000 Americans waiting for a new kidney, only 25 percent managed to obtain one. Even those lucky enough to get a human donor could experience complications. For decades, scientists and surgeons around the world have been trying to solve the organ donor crisis. They may have found the answer. 

More stories: 
— Scientists are trying to resurrect mostly dead organs—here’s why
— Susan Potter will live forever   

PHOTOGRAPH BY JAMES L. STANFIELD, NAT GEO IMAGE COLLECTION 

PHOTOGRAPH BY HULTON ARCHIVE/GETTY IMAGES 

For centuries, people have tried in vain to locate and recover the Bible's most sacred objects. Among the most sought-after of these religious antiquities is the famed Ark of the Covenant. But can it ever be found?

BEFORE YOU GO: Dune might be a work of science fiction, but the spice found from its giant sandworms has roots in real life.

Today’s newsletter was edited and curated by Jennifer Baik and produced by Amanda Williams-Bryant. Thanks for reading!