The tusks were hidden among marble in an abandoned shipping container in Cambodia's Phnom Penh port. Sent from Mozambique, these yellowing prizes arrived last year, AFP reports. The owner of the shipment never arrived to pick up the cargo, and a tip from the U.S. embassy alerted Cambodian authorities to the haul.

Longtime Alaska fisherman Bill Harrington has a few choices words about killer whales.

"As far as I'm concerned, they're only thieves in tuxedos," Harrington says.

He's retired now, but a video from a decade ago shows him pulling in his line as he curses out a pod of killer whales swarming his boat. His catch is exposed; he is not happy. A sperm whale bursts out of the water and Harrington tells them what he really thinks. He knows even just a couple of killer whales could pick his line clean.

A spike in blood pressure. A racing heart rate. Sweaty palms.

For many adults, this is what they feel when faced with difficult math.

But for kids, math anxiety isn't just a feeling, it can affect their ability to do well in school. This fear tends to creep up on students when performance matters the most, like during exams or while speaking in class.

One reason for a kid's math anxiety? How their parents feel about the subject.

The Philippines and the United States have reached a rare meeting of the minds: Both are enthralled that church bells seized by the U.S. have been returned to the Philippines after 117 years.