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School Stabbing Spree
30 Seconds To Know
Standoff in Ukraine: Rival Forces Show Strength
Students Back in Class After Stabbing Spree
Did GM Reject Safer Ignition for Cost in 2001?
Cyndi Lauper: Making Music Like a 'Cooking Special'
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Next Steps For Vets
Wild Weather Whiplash Brings Record-Low Temps
An unusual cold snap has millions waking up to record-low temperatures. In some parts of the Northeast there’s a fresh coating of snow.
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Mark Duncan / AP
Yes, It's April 16. And Yes, It's Still Freezing
"It's going to be cold when people step outside," forecaster warns.
Temperatures to Plummet Across Northeast
Get ready to dig out your winter weather gear once again as a cold weather front heads east.
Hey Scarecrow! Learn the Truth About Tornadoes
Debunker: This isn't the 'Wizard of Oz'; tornadoes are real, dangerous, and can happen anywhere. Protect yourself from these deadly storms by learning the truth about common tornado myths.
Does Video Show Tornado Touchdown?
A possible tornado touches down in Lovelady, Texas. Amanda Perez reports.
Wild Weather: Apparent Twister Rips Texas
Cell phone video captures the event near Lovelady, Texas on Sunday. KPRC’s Amanda Perez reports.
Storms Head East After Battering Midwest, South
A powerful weather system has spawned tornadoes, flash floods and hailstorms from Texas to Michigan. NBC’s Joe Fryer reports.
Natalie Kolb / The Muskegon Chronicle via AP
Severe Weather Threatens Nation's Midsection
Severe storms already have taken a toll in parts of Michigan; now the Mississippi Valley is next.
KIM KYUNG-HOON / Reuters, file
Choked: Who's to Blame For Harmful Air Emissions?
Emissions rose by more than 2 percent between 2000 and 2010, but a new climate summary doesn't specify which countries should do what to mitigate the problem.
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