Merrit Kennedy

Arkansas is scheduled to execute convicted murderer Kenneth William tonight, who has been on death row since 2000.

Williams is set to be the fourth and final inmate executed there this month, after the state initially scheduled eight condemned inmates to die over 11 days — the fastest pace of executions in decades.

After a lengthy back-and-forth, conservative commentator Ann Coulter's speech scheduled for tomorrow at University of California, Berkeley appears to be off – apparently for multiple reasons.

And there is some dispute about who actually did the canceling.

Mexico has long argued that U.S. labeling rules for dolphin-safe tuna unfairly restrict its access to the U.S. market. And in a decision Tuesday, the World Trade Organization agreed, saying Mexico may seek $163 million annually from the U.S. in retaliatory measures.

The controversial labeling rules, aimed at protecting dolphins from getting ensnared in fishing nets and killed, date back to 1990.

People around the world use more than a trillion plastic bags every year. They're made of a notoriously resilient kind of plastic called polyethylene that can take decades to break down.

But the humble wax worm may hold the key to biodegrading them.

It was an accidental discovery. Scientist and beekeeper Federica Bertocchini was frustrated to find that her beehives were infested with the caterpillar larvae of Galleria mellonella, commonly known as a wax worm.

North Korea marked Tuesday's anniversary of the founding of its military with artillery drills, celebrations that took place as a U.S. guided missile submarine docked in South Korea and U.S. Navy ships conducted exercises with South Korea and Japan.

Meanwhile, envoys from the U.S., South Korea and Japan met in Tokyo to discuss the rising tensions with the rogue nation and "map out further punishment if the North goes ahead with more nuclear or missile tests," NPR's Anthony Kuhn reports.

Pages