NASA

NASA reveals the 18 best houseplants for filtering your air

NASA guide to air-filtering houseplants

Back in the late 1980s, NASA teamed up with the Associated Contractors of America (ALCA) to try and combat poor air quality in buildings. In the process they discovered a list of houseplants that are excellent at removing common toxins from the air.

NASA grows flowers in space

Zinnias on the International Space Station

A zinnia flower was the first to bloom in the International Space Station’s new vegatable facility. Zinnias are a type of edible flowering plant that are fairly easy to grow down here on earth. Astronauts have been observing how plants grow in space in order to learn more about producing food on long, deep-space missions. …