The low-cost sensor made of a copper-based metal-organic framework performs as well as DNA based sensor, the gold standard for water quality sensors.

snails

Bengaluru
12 Apr 2022

Not more than two decades ago, I played with snails on rainy days and would see them crawling abundantly on plants. My friends and I would collect them in glass bottles, treating them as pets.

It appears that snails have almost vanished from our gardens. Lush green landscapes and trees have dwindled to become a few patches of green separated by tall buildings in between.