In today’s Discovery: The man who sinks the world’s biggest ships. Plus, what happened when these Great White sharks vanished, and see the “ash-winged dawn goddess.”

But first: Astronomers just found another interstellar object.

On July 1, scientists operating a planetary defense facility saw something glimmering in the shadow of Jupiter. Within a matter of hours, it became clear that it wasn't from our solar system. Quickly, astronomers concluded that this was an interstellar object—a sojourner from another star (spoiler: it’s not aliens). Here's everything we know so far.

This island used to be one of the few places on Earth where Great White sharks could be seen surging out of the water to capture their prey. Now, they’ve all but vanished. What is the name of the island? 

A. Seal Island
B. Fiji 
C. MacCarthy Island
D. None of the above 

BEFORE YOU GO: Before forensics, how did people solve crimes? Here’s how 'talking' corpses were once used to solve murders.

Today’s newsletter was edited and curated by Jennifer Baik and produced by Alisher Egamov. Did someone forward this to you? Sign up for our other newsletters here.