215,000

That’s how many U.S. jobs were added in the month of July, according to the Bureau of Labor Statistics. The unemployment rate remained unchanged at 5.3 percent. It’s been a slow summer for hiring in the U.S., and some economists say that the poor state of the global economy isn’t helping — a strong U.S. dollar depresses exports, which in turn hurts manufacturing.

20 percent

That’s how much of the world’s untapped oil and gas is in the Arctic. It’s a big reason why many countries and companies have begun exploratory drilling in the area, including Royal Dutch Shell. With both concerns about oil spills, as well as the possibility of huge monetary gains, everyone from environmental groups, to regulators,  to other major oil companies are keeping their eyes on the Arctic prize.

30 minutes

That’s by how much North Korea will alter its clocks to create its own time zone. “Pyongyang time,” as it will be called, will return the country back to its original time zone before Japan changed its clock to coincide with Tokyo. Quartz reports that South Korea will remain in its current time zone.

11:06

That’s how much time Donald Trump spoke during Thursday night’s Republican presidential primary debate. As PBS points out, in terms of talk time, he trumped all of his competitors.