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The snowpack in the Mountain West is at just a small fraction of its normal level, and it was the driest year ever recorded in many parts of California. Cloud seeders are trying to squeeze raindrops out of Mother Nature by spraying tiny silver iodide particles into incoming clouds.

In ski jumping, athletes hurtle off ramps at 60 miles per hour and fly the length of a football field. How do they do it? Melissa Block talks with John Eric Goff about the physics behind the event at the Winter Olympics. Goff is head of the physics department at Lynchburg College in Virginia and author of the book Gold Medal Physics: The Science of Sports.

The gap in earnings between young people who have a college degree and those who don't has continued to widen over the past several decades. And while total student loan debt in the U.S. continues to rise, millennials say a college degree is still worth it.

Strained relations between Afghanistan and the U.S. and NATO may only get worse this week. The Afghan government is releasing 65 prisoners, many of whom have been accused by the West of plotting and participating in terrorist activities. Robert Siegel speaks with Nathan Hodge of The Wall Street Journal to learn more about the rationale behind this release and what it might mean for Afghan security and diplomacy.

Americans Meryl Davis and Charlie White are favored to win gold in ice dancing. The pair took silver in the last Olympic Games in Vancouver, and expectations are high that they'll do even better in Sochi.

The arrest of Mexican drug kingpin Joaquin Guzman is a coup for Mexican authorities. Now comes the tussle over where he will be tried. He's wanted in at least seven U.S. federal districts.

Attention is focusing on whether Russian leader Vladimir Putin will stop at Crimea or order his troops into eastern Ukraine, which also has a sizable pro-Russian population.

Hispanics are disproportionately enrolled in community colleges and two-year schools. Experts say this partially explains why they are much less likely than other groups to attain bachelor's degrees.

Western leaders are showing support for Ukraine with high-profile visits to Kiev. British Foreign Secretary William Hague is there Monday, and U.S. Secretary of State John Kerry will be there Tuesday.

Artists of color won in some of the most prestigious categories at Sunday's Academy Award ceremony. But are these victories evidence of an encouraging trend or exceptions to the rule?