Martha Sandoval

Bilingual bicultural journalist. 30+ years of experience in TV, print, radio, and digital media in the US, Ecuador and Spain. News anchor, writer, reporter, interviewer.

Best colleges in big cities

University of Chicago building

States with the most active-duty military members

A line of active duty army soldiers in camouflage.

Business & Economy

Here's what the most popular electric vehicles cost the average driver to own

Tesla model 3 in front of a mountain.

How summer programs targeted learning loss in grades K-12

Elementary students stand distanced from one another ready to enter summer school.

Who actually invented the lightbulb—and the illuminating history of modern lighting

Thomas Edison at the lightbulb's golden jubilee anniversary.

100 colleges whose grads go on to earn the most

College graduate in black cap and gown holding up diploma and smiling.

How lifetime emissions of different energy sources stack up

Large wind turbines lined up in a green field.

What to do after car damage from a natural disaster

A car on a flooded street.

Rhode Island, Massachusetts colleges have the highest graduation rates—here's how your state compares

A group of college graduates dressed in caps and gowns as they wait for their graduation ceremony.

20 of the strangest natural phenomena in America

Polar stratospheric clouds, aka mother-of-pearl clouds, in Alaska at dusk.