CNN 10's last show of the season updates an Ebola outbreak, tariffs on imports to the U.S., and laboratory-grown diamonds. Our daily coverage resumes August 13.

Volcanology, pomology, and biology are three of the scientific aspects of today's show, as we report on events in Hawaii, Pompeii, Japan and Louisiana.

A planned summit between two rival leaders appears to be on again, we update the search for a missing passenger plane, and a Positive Athlete helps the homeless.

Weather events in Florida and Maryland, the history of Memorial Day, a look at lightning from space and an excruciating race in Tennessee are all featured today.

The U.S. cancels an upcoming summit with North Korea, a sports controversy centers on the U.S. National Anthem, and "water taxis" are given test rides in Paris.

Today, we're taking you inside the U.S. food industry and focusing specifically on animal feed: What's in the diets of animals raised for food, and why might that matter to some consumers?