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World

Mexico ready to play the corn card in trade talks

From the hundreds of millions of tortillas consumed every year to the countless tons of corn-enriched feed that fattens livestock and poultry, corn is perhaps Mexico’s most important agricultural commodity, one at the center of its life and culture.

Nation & World

Scientists race to prevent wipeout of world’s coral reefs

There were startling colors here just a year ago, a dazzling array of life beneath the waves. Now this Maldivian reef is dead, killed by the stress of rising ocean temperatures. What’s left is a haunting expanse of gray, a scene repeated in reefs across the globe in what has fast become a full-blown ecological catastrophe.

National

Going boldly beyond the diaper: NASA explores solutions to poop problem

The matter of space pooping is not completely solved. Inside a habitable satellite, such as the International Space Station, toilets with suction-generating fans collect and dump solid waste, which may incinerate in the atmosphere like shooting stars. During a rocket launch or spacewalks, however, adult diapers remain the best technology available.

National

Engineers have known for decades that Oroville’s backup spillway was unreliable

Engineers have known for decades that Lake Oroville’s unlined auxiliary spillway could cause serious erosion if water ever spilled over it, possibly compromising the earthen structure and flooding communities downstream. But water districts that buy water from Oroville balked at lining the backup spillway in 2005. Environmentalists opposed an earlier proposal to install gates atop the structure to raise the elevation of Oroville during a flood.

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VIDEO: Riley Sorn breaks down Richland’s first meeting with Gonzaga Prep

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Mt. Spokane cruises to regionals with win over Kennewick

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He warned the FBI before the Florida school shooting. Now he's speaking out about guns. 1:23

He warned the FBI before the Florida school shooting. Now he's speaking out about guns.

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Chiawana girls rally, but season ends in loss to University

Watch a parked van catch a fleeing Tri-City driver 1:03

Watch a parked van catch a fleeing Tri-City driver

Blaze extensively damages Richland home 0:48

Blaze extensively damages Richland home

Passer-by video shows arrest of Florida school shooting suspect 0:46

Passer-by video shows arrest of Florida school shooting suspect

Amanda Hill's coworkers release balloons with messages to their friend

A week after Amanda Hill was fatally shot at a Prosser party. A group of friends and coworkers gathered to remember her at the Rue21 store.
Amanda Hill's coworkers release balloons with messages to their friend 0:26

Amanda Hill's coworkers release balloons with messages to their friend

Parkland school mass shooting suspect makes first live court appearance 7:22

Parkland school mass shooting suspect makes first live court appearance

Giant gator takes stroll on Florida golf course 0:13

Giant gator takes stroll on Florida golf course

 VIDEO: Riley Sorn breaks down Richland’s first meeting with Gonzaga Prep 1:40

VIDEO: Riley Sorn breaks down Richland’s first meeting with Gonzaga Prep