Gun instructor Mike Stilwell teaches a concealed-carry permit class in Utah

3 Million Americans Carry A Loaded Firearm On Their Person Daily

In the past 20 years, more states have allowed people to carry guns on their person in public. Some doctors say that could be a public health problem.


1:23A student wears a virtual reality headset on the beach
Matt Perko, UC Santa Barbara

Could VR Field Trips Replace The Real Thing?

0:45A man works on a 3-D printed bridge
Province of North Brabant

This 3-D Printed Bridge Could Be Really Good For The Environment

1:23Reporter Zach Toombs climbs onto the head of a wind turbine over rural Iowa
Newsy / Kevin Clancy

Wind Turbine Technician Is The Fastest-Growing Job In America

1:14Stones from the game Go sit on the playing board

Computers No Longer Need Human Input To Beat Us At Our Own Games

3:06Reporter Zach Toombs talks to Iowa corn farmer Denny Friest
Newsy / Kevin Clancy

Debriefing 'Revolt': Why Iowa Loves Wind Energy

Wind turbines turn above cornfields in rural Iowa
Newsy / Kevin Clancy

Revolt: Blue-Collar Wind

1:03Firefighter during the Nuns fire in Sonoma County
Getty Images

Northern California Firefighters Catch A Break As Winds Ease Up

0:48Air pollution in Los Angeles
Getty Images

Study: Pollution's Effects On Lifespan May Start In The Womb

1:32Artist's rendering of 2 neutron stars colliding

What The Latest In Gravitational Waves Tells Us About Neutron Stars

1:37Hurricane Irma
National Oceanic and Atmospheric Administration

2017 Will Be One Of The Costliest U.S. Natural Disaster Years Ever

1:47People in Puerto Rico showering in spring water
Getty Images

Puerto Rico's Water Crisis Is More Complicated Than You Think

1:15Psilocybe Cubensis mushrooms
afgooety74 / CC BY 2.0

Researchers Think Psychedelic Drugs Might Do More Than Get You High

1:32Dog smiling

A New California Law Will Take Rescue Pets From Shelters To Stores

1:20Wildfires burn in California
Getty Images

Inmates Are Fighting California's Wildfires

1:25A truck drives by Pacificorp's coal-fired power plant
Getty Images / Stringer / George Frey

Close Or Convert: The Big Choice Many Coal Plants Are Facing

1:03People in California wear masks due to air pollution
Getty Images

California Wildfires Are Causing Problems Well Beyond The Fires' Edge

0:55Ophelia as a tropical storm

Hurricanes In Ireland Could Be The New Normal

0:56President Donald Trump
Getty Images

Senators Urge Trump To Take Action On Opioids

1:16Smoke leaves a coal-fired generator located in China
Getty Images / Kevin Frayer

NASA Has A Better Idea How Humans, Weather Shift The Carbon Cycle

0:55A refugee child's drawing

After Conflict And Violence, These Refugee Kids Draw What They Saw

1:01An artist's concept of an asteroid.

NASA Sees Asteroid Flyby As A Chance To Test Its Tracking Tech

1:07Eiffel Tower
Getty Images

Paris Sets Accelerated Timeline To Eliminate Diesel And Gas Vehicles

1:30Ozone hole at its maximum

Something Might Be Keeping The Ozone Layer From Healing Itself

0:53An overweight child
Getty Images

The Childhood Obesity Rate Has Skyrocketed In 40 Years

11:47Volunteer rescue worker Mike Level and reporter Zach Toombs search for residents trapped by floodwaters.
Newsy / Kevin Clancy

Revolt: When It Rains

1:05A coal-fired power plant in West Virginia
Newsy / Kevin Clancy

Most Of The World's Carbon Emissions Come From Just 100 Companies

1:23Storm clouds over Chicago
Getty Images

How Cities Will Stay Dry In A Rain-Soaked Future

1:07Woman smokes a menthol cigarette
Getty Images / Joe Raedle

Doctors Are Split On Cigarettes' Place In Psychiatric Hospitals

3:14Ranchers Joe and Brian Gader look over their drought-stricken sorghum field in North Dakota.
Newsy / Kevin Clancy

Debriefing 'Revolt: When It Rains'

1:34An offshore wind farm
Getty Images

Scientists Say The Future Of Wind Energy Might Be On The Open Ocean