Do houseplants really clean the air in your house? I talk to PhD researcher Curtis Gubb about his project to discover whether houseplants really do have a positive effect on air quality. And I answer a question on small ferns for terrariums.
Read MoreProfessional aquascaper George Farmer turned his hobby into a successful career. I get some tips on how to get started with your first underwater landscape, and find out how aquascaping helped George deal with PTSD. And I answer a question about a Peperomia with bumpy leaves.
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