Dr. Joan Rose and fangirl Chhavi Sachdev at Stockholm. Photograph: Chhavi Sachdev

Dr. Joan Rose is not only the world’s leading expert on cryptosporidium, but also well…

Dr. Joan Rose is not only the world’s leading expert on cryptosporidium, but also well known for her work in water microbiology. She’s one of the few scientists who successfully…

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It’s been eight months since I wrote about the Indian Railways’ toilets and dove deep…

It’s been eight months since I wrote about the Indian Railways’ toilets and dove deep into the world of fecal sludge. This week my investigations continue at World Water Week…