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30 seconds to know
30 seconds to know
8 days
PLAY VIDEO
30 Seconds to Know: What Is Doxing?
Julianne Pepitone
Doxing itself isn't typically illegal -- but it can have a devastating effect on victims.
30 seconds to know
17 days
PLAY VIDEO
What's It Like on Pluto?
Discovered in 1930, Pluto is a dwarf planet not believed to be able to support life as we know it.
30 seconds to know
25 days
PLAY VIDEO
30 Seconds to Know: How Do Solar Panels Work?
Julianne Pepitone
A photovoltaic cell is the technology that's used to convert the sun's energy into electrical power.
Ask A Doctor
25 days
PLAY VIDEO
Does Being Too Clean Cause Allergies?
Maggie Fox
Does practice make perfect for your body when it's fighting bacteria? The 'hygiene hypothesis' says so.
30 seconds to know
29 days
PLAY VIDEO
Why Aren't More African Americans in the Legal Cannabis Industry?
The Drug Policy Alliance's Malik Burnett explores the challenges that African Americans may face when entering the legal marijuana industry.
30 seconds to know
29 days
PLAY VIDEO
What is the Biggest Mystery in the Universe?
Astrophysicist Neil deGrasse Tyson, host of "StarTalk," explains his theory on the universe's mysteries.
California Drought
77 of 92
36 days
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How Does Desalination Work?
Desalination could help cities dealing with drought. Water Standard Senior Vice President and CTO Lisa Henthorne explains how desalination works.
Ask A Doctor
38 days
PLAY VIDEO
How Come Tuberculosis Is Still a Problem?
Maggie Fox
Tuberculosis is an ancient disease, but is curable, so why is it still getting people sick?
30 seconds to know
43 days
PLAY VIDEO
What Is an Exoplanet?
Astronomers are constantly on the hunt for worlds like our own.
Ask A Doctor
46 days
PLAY VIDEO
Why Do Older People Have Big Ears?
Maggie Fox
As we age, our ears continue to grow.
30 seconds to know
50 days
PLAY VIDEO
What Is the 'Doc Fix'?
Luke Russert
The "doc fix" is a measure related to how doctors get paid and it's once again making an appearance on Capitol Hill.
Ask A Doctor
52 days
PLAY VIDEO
What Is a BRCA Mutation's Link to Cancer?
Inheriting these gene mutations can significantly increase your risk for some cancers.
30 seconds to know
57 days
PLAY VIDEO
What Are Eclipses Like on Other Planets?
York College Astronomer Tim Paglione explains what solar eclipses are like on other planets in our solar system.
Ebola Virus Outbreak
971 of 995
64 days
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Fighting Ebola: What Helps and What Doesn't
Maggie Fox
The Ebola epidemic in West Africa is showing further signs of winding down.
30 seconds to know
68 days
PLAY VIDEO
Why Does Apple Want to Use My iPhone Data for Research?
Julianne Pepitone
Apple's developed iPhone technology that will let you help medical researchers.
30 seconds to know
72 days
PLAY VIDEO
30 Seconds to Know: Why Ceres Is Important
Columbia University Astrophysicist Summer Ash explains why scientists are so curious about Ceres.
ISIS Terror
727 of 856
79 days
PLAY VIDEO
'Jihadi John' Videos Help Drive ISIS Recruitment
Richard Engel
Beheading videos showing 'Jihadi John' have been a key part of recruitment by ISIS.
30 seconds to know
85 days
Handout / Getty Images
PLAY VIDEO
What's So Super About a Superbug?
Maggie Fox
It takes certain characteristics for a microbe to be considered a superbug.
Ask A Doctor
88 days
PLAY VIDEO
This Is Why Doctors Recommend Herd Immunity
Rebecca Davis
NBC News' Maggie Fox discusses the protection that comes from mass vaccination practices also known as herd immunity or herd effect.
Ask A Doctor
92 days
PLAY VIDEO
Can Booze Help Prevent Hypothermia?
Maggie Fox
Think a shot will help warm you up? Think again.
30 seconds to know
92 days
Heather Leiphart / AP
PLAY VIDEO
Why Are Beads Thrown at Mardi Gras?
Throwing beads at Mardi Gras is a tradition that has been a part of Carnival festivities for decades.
Measles Outbreak
15 of 32
99 days
PLAY VIDEO
So What's Actually in a Measles Vaccine?
Maggie Fox
Measles is a highly contagious respiratory disease, but you can avoid getting it with the MMR vaccine.
30 seconds to know
101 days
PLAY VIDEO
What's a Death Row Inmate's Final Day Like?
Death Penalty Information Center Executive Director Richard Dieter explains some of the rituals of a death row inmate's last day.
News
103 days
PLAY VIDEO
30 Seconds to Know: Sleet vs. Freezing Rain
Rebecca Davis
NBC News' chief meteorologist Bill Karins breaks down the difference between sleet and freezing rain and what the two mean for your commute.
