A facility in what eastern European country trains dogs to be experts at sniffing out the components in explosive weapons?

What major US airport in a New Jersey city is experiencing over a week of cancellations and delays due to a nationwide air traffic controller shortages, the closure of a runway, and technology failures?

Geologists revealed this week that a magma cap sits below what US National Park, acting like a natural pressure-release valve for geological features like hot springs and geysers?

What naturally occurring mineral is added to drinking water in some places to help promote oral health and prevent cavities?

What Gala took place this week, raising money for the Costume Institute with a blue carpet of extravagantly clad celebrities?

What disputed region is at the center of a developing conflict between India and Pakistan?

What ancestors of the Tyrannosaurus rex do researchers now believe came to North America from Asia via a land bridge 70 million years ago?

A festival in Hong Kong had competitors climbing towers of what plastic versions of what classic snack?

And from today's episode, what company did billionaire Bill Gates found in the 1970s?