YAEDA VALLEY IN TANZANIA—As we hike down a rocky slope, through thorny acacias that snag our clothes and past the emaciated carcass of a cow, we hear people singing. We are approaching a small camp of Hadza hunter-gatherers, and our Tanzanian guide thinks they must be celebrating something.

When the Supreme Court issued a ruling in May that effectively legalized sports gambling, venture capital firm SeventySix Capital wasted no time getting in on the action.

There’s one thing that rich and poor have in common in the U.S. — they both tend to describe themselves as “middle class.”

That might reflect the nation’s historical egalitarian ethos – “all men are created equal,” the 19th century rise of democracy, the faith, however misplaced and vexed, that in the U.S., while everyone is not born filthy rich, everyone has the opportunity to become so.

310-million-year old footprints of a "lizard like-creature" have been unearthed in the Grand Canyon, making them potentially the oldest ever reptile footprints ever found.

What could be the oldest footprints ever, of a lizard like-creature that roamed Earth 310 million years ago have been discovered in the Grand Canyon. Made by one of the first reptiles that ever lived the prints make it look as if the creature was line dancing.

Considering how many people willingly wait in long lines, it’s surprising how much they hate it.

Believe it or not, there are some seemingly harmless habits that can undermine your sex life. Some of them even take place far away from the bedroom.

“Fat” is becoming the new normal in America. According to the most recent data from the Centers for Disease Control and Prevention, more than seven in 10 U.S. adults aged 20 and older are either overweight or obese. Rates are lower for children and adolescents but have risen drastically in the past few decades. So prevalent has America’s obesity problem grown that the weight-loss industry continues to expand. In 2017, the U.S. weight loss and diet control market was valued at $66 billion. The U.S. spends in total nearly $200 billion in annual health care costs related to obesity.

Evening Edition: In the news today, we manouver through the curious case of missing milk, the rehabilitation of juvenile offenders, and the most efficient way to stop music piracy.