On Kim Plofker's, Mathematics in India: http://bit.ly/bgJIOQ

Pictures from Machu Picchu: http://bit.ly/cQo1nH, and King Khan in Lima: http://bit.ly/9JZvBR

Temples in Kumbakonam: http://bit.ly/aLzmhZ

Sharing my new 3 Quarks Daily essay. Although it seems unlikely -- what does ecology have to with engineering? -- my thoughts here have been shaped my operations research background. 3quarksdaily.com/3quarksdaily/2…

Visited my uncle's organic farm in Tamil Nadu this January. Some reflections from that wonderful visit: websites.umass.edu/hbalasub/2024/…

My new piece on the ancient lifeforms that became today's fossil fuels: websites.umass.edu/hbalasub/2024/…

In a Chennai city bus: http://bit.ly/11zWSn

At the Brihadishwara: http://bit.ly/4O8il

Travels in Northeast Turkey: Part 1: by Hari Balasubramanian I visited Turkey in July 2013; this was 2-3 week... bit.ly/1iIJw9E

My first blog post at INFORMS09: http://bit.ly/pC9F0 #informs09

The shortest path, the traveling salesman and an unsolved question, 3quarksdaily.com/3quarksdaily/2…

This thing called the sense of self, the 'I', or the ego -- a conversation: 3quarksdaily.com/3quarksdaily/2…

The undocumented immigrant's journey north, via Mexico: 3quarksdaily.com/3quarksdaily/2…

7458 successful surgeries in an Isuzu truck! An essay on a mobile surgical unit based in Ecuador. bit.ly/1DYPuNY

An essay on the iconic monarch butterflies, based on my February trip to Mexico: 3quarksdaily.com/3quarksdaily/2…

Sorry for multiple tweets about the same piece, still figuring out how twitter works! :-)

How much should you plan for? An essay on decision-making under demand uncertainty: bit.ly/1K16Qcl Laura Albert (McLay) Michael Trick #orms

"Why? What for? What's going on in the world?" My essay on Pierre Bezukhov of War and Peace. bit.ly/1jpmoRo