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Look Out! Lightning Strikes Could Rise 50 Percent
Harry Reid Keeps Job as Top Senate Dem, But With Some Opposition
Top General Opens Door to Combat Role in Iraq
Suspect in Wife's Death Also Killed First Wife: Prosecutor
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BREAKING:
Watch Al Roker Attempt World Record Weather Forecast
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2 hours
Matt Sullivan Photography / Getty Images
FROM NBC Sports
How Does NASCAR's Championship Round Work?
NASCAR Analyst Kyle Petty explains how the Chase Cup's championship round works.
30 seconds to know
2 days
Ali Jarekji / REUTERS file
PLAY VIDEO
What's the Difference Between Asteroids and Comets?
York College Astronomer Tim Paglione explains what sets apart asteroids and comets.
30 seconds to know
6 days
Salih Zeki Fazlioglu / Anadolu Agency via Getty Images
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Why Do Religions Keep Fighting Over This Holy Site?
Bill Neely
There has been another flare-up of tensions in the Middle East over Jerusalem's holiest site.
30 seconds to know
7 days
PLAY VIDEO
What Triggers a Tsunami?
Bill Karins
NBC News Meteorologist Bill Karins explains the science behind what sets off most tsunamis.
30 seconds to know
9 days
Ye Aung Thu / AFP - Getty Images
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Space Out: What Is a Goldilocks Planet?
Columbia University Astrophysicist Summer Ash explains what makes a planet a Goldilocks planet.
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181 days
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Digital Nurse Assistant improves patient care
Xerox
Did you know that hospital nurses are so overwhelmed by data that they spend only 20 percent of their time on direct patient care?
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9 days
Rob Carr / Getty Images
FROM NBC Sports
What is 'First Down Moses?'
Notre Dame Football Host Liam McHugh takes a look at one of the treasures of Notre Dame.
30 seconds to know
13 days
AFP/Getty Images
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Why Do Wireless Carriers Intentionally Slow Internet Speed?
Julianne Pepitone
Unlimited data plans are no longer what they used to be.
30 seconds to know
15 days
Wesley Hitt / Getty Images
FROM NBC Sports
How Does the NCAA Football Playoff Work?
Heisman trophy winner Doug Flutie explains the new college football playoff.
30 seconds to know
17 days
DAVID J. PHILLIP / AP file
PLAY VIDEO
Why Aren't Death Row Executions Televised?
Death Penalty Information Center Executive Director Richard Dieter explains why the public is not allowed to view the executions of death row inmates.
30 seconds to know
17 days
Spencer Platt / Getty Images
FROM CNBC.com
Overbought vs. Oversold: What's the Difference?
Recent market volatility has made it important for investors to understand the difference between overbought and oversold price extremes.
30 seconds to know
23 days
PLAY VIDEO
What Makes a Storm a Nor'easter?
Bill Karins
A nor'easter is a low-pressure storm that usually develop between Georgia and New Jersey.
30 seconds to know
27 days
ISIS Propaganda Video via FBI
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Who Is ISIS Trying to Reach With Beheading Videos?
RAND's Brian Michael Jenkins explains that the aim of beheadings by ISIS is not just to shock the West.
30 seconds to know
29 days
Bruce Bennett / Getty Images
FROM NBC Sports
Hockey Is Back: What's a Penalty Kill?
NHL has many rules in place to prevent illegal plays, one being the penalty kill.
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30 days
Shannan Bowen / AP
PLAY VIDEO
What Time Do Tornadoes Tend to Strike?
Bill Karins
Tornadoes tend to strike during a certain period of the day. But why?
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34 days
Don Farrall / Getty Images
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Listen Up: How Do Phone Apps Recognize Songs?
Julianne Pepitone
An app like Shazam is able to identify what song is playing around you in a matter of seconds. It works through a process called audio fingerprinting.
30 seconds to know
36 days
Joe Raedle / Getty Images file
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College Prep: How Are the SATs and ACTs Different?
Rehema Ellis
The ACT and the SAT are both standardized tests that help colleges evaluate students and are accepted by all schools. So what sets the exams apart?
30 seconds to know
37 days
Brian Blanco / Getty Images
FROM NBC Sports
Why Are Female Players Suing FIFA?
NBCSports.com's Jeff Kassouf explains why FIFA is being sued by a group of players.
30 seconds to know
42 days
Jared C. Tilton / Getty Images
FROM NBC Sports
How Does NASCAR's Contender Round Work?
NASCAR America Analyst Kyle Petty talks the contender round, where 12 drivers enter and only eight advance.
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45 days
Alex Wong / Getty Images file
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Classroom Controversy: What Is Common Core, Anyway?
Rehema Ellis
The Common Core has been at the center of controversy at many school districts. But what exactly does this new academic standard mean for students?
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45 days
Oliver Berg / Oliver Berg/picture-alliance/dpa
FROM CNBC.com
What Is Phishing?
NBC News Senior Tech Writer Julianne Pepitone explains what email phishing is and how to avoid falling prey to cyberhackers.
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46 days
David Poller / Zuma Press, file
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In Session: Will the Supreme Court Rule on Gay Marriage?
Miranda Leitsinger
The Supreme Court is coming back to a busy docket with several cases on same-sex marriage bans expected to draw the nation's attention.
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48 days
BSIP / UIG via Getty Images file
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What's the World's Deadliest Virus?
Maggie Fox
Ebola is getting a lot of coverage, but there's another disease that has claimed many more lives.
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50 days
Jonathan Sanger / NBC News
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What Does My LinkedIn Profile Need to Say?
Lou Dubois
Some minor tweaks to your LinkedIn profile might just help you land that next big gig.
30 seconds to know
52 days
NASA via AP file
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Know Your Solar System: Why Is Mars Red?
Columbia University Astrophysicist Summer Ash explains how Mars got its red color.