15 houseplants for improving indoor air quality
January 29, 2016, 1:07 p.m. by Julie Knapp
In the late '80s, NASA and the Associated Landscape Contractors of America studied houseplants as a way to purify the air in space facilities. They found several plants that filter out common volatile organic compounds (VOCs).
8 of the greatest eco-friendly beaches in the world
June 18, 2010, 11:45 a.m. by Julie Knapp
We scoured the planet to find the most spectacular shorelines — and no surprise, most of our top choices are found on protected land or are nearly impossible to reach.
We could visit another star system in just 69 years
Bradford watermelons were so juicy and delicious, people literally used to die for them
Tiny Oregon 'ghost town' may be reborn as a permaculture school
Nobody wants the family heirlooms anymore
Should you worry about cellphone radiation?
Earth has captured a second moon, says NASA