Bitter gets better
Lesser known gourds to be commonly available
Organic matters
Soil carbon can foretell soil health
Bitter is better
Eating bitter food can help cure repiratory diseases
Save nature, do nothing
In some cases, doing nothing is the way to preserve ecology
Fabric filter
Cotton sari filtration, heating kill most bacteria in water
Arsenic trap
Silver nanoparticles caged in aluminium can rid water of arsenic