Axios

Older Americans are among the happiest people in the world, coming in 10th on Gallup's worldwide happiness rankings — the young, meanwhile, rank 62nd, just behind the Dominican Republic.

Why it matters: This all comes down to connecting with others; Americans age 60 and over are less lonely and feel more socially connected than their younger peers.

The Mega Millions jackpot grew to an estimated $1.1 billion Saturday, marking the first time this year that a U.S. lottery prize has entered billion-dollar territory.

Why it matters: The jackpot for the Tuesday, March 26 drawing is now the nation's eighth-largest lottery prize ever.

Consumers might be wobbling if apparel, groceries and restaurant sales are any indication.

Why it matters: Consumer spending is the lifeblood of the U.S. economy.

Thursday's record-setting day for stocks had eyes trained on the Dow Jones Industrial Average today, which had a chance to hit 40,000 for the first time in its 128 years, Nathan writes.

• It didn't make it.

Between the lines: The Dow remains a significant investor gauge for stock market performance, although many still love to cite its flaws.

Nestlé USA is recalling about 440,500 ceramic Starbucks-branded mugs sold in holiday gift sets because they pose burn and laceration hazards, according to a recall notice.

Why it matters: There have been 12 incidents of the mugs overheating or breaking and 10 reported injuries, per the recall posted on U.S. Consumer Product Safety Commission website.

Amid this week's rush of central banking news, it would be easy to miss one small piece — an oh-so-slight upward move in what the median Federal Reserve policymaker believes the central bank's target interest rate will be in the longer run.

Why it matters: This kind of incremental move is exactly what we'd expect to see more of if the economy will feature persistently higher rates than it has for most of the last 15 years.

Passengers aboard the Alaska Airlines flight that experienced a mid-air door plug blowout may have been victims of a crime, according to the FBI.

Why it matters: The Justice Department investigation adds to the legal peril Boeing is facing. The company also is the subject of ongoing probes by the Federal Aviation Administration (FAA) and National Transportation Safety Board (NTSB).

The Labor Department might soon start tracking an often overlooked part of the economy: "women's work."

Why it matters: Unpaid household labor like child care, laundry or home repairs is critical to the economy but isn't officially measured.

Artworks are like stock options: They become more valuable when they're backdated. That's what makes The Guardian's investigation into the dates on Damien Hirst sculptures so juicy.

Why it matters: As the Guardian's Jonathan Jones writes, the revelations of backdating "threaten to poison Hirst's whole artistic biography."