That seems unlikely, given that one of the experiments with a positive result was conducted in a remote area of China while another that had a negative result took place in Belgium, one of the most crowded parts of the planet.

ECONOMIST: Gravitational anomalies

In Havana, Cuba's bustling and crowded capital and a key tourist centre, strict measures are in place to contain the latest suspected outbreak.

BBC: Cholera fear in Cuba as officials keep silent

Mr. Shinde said that the two blasts took place within 150 meters of each other, and that the bombs were placed on bicycles in a crowded market in the Dilsukhnagar neighborhood.

WSJ: At Least 12 Killed in Hyderabad Blasts in India