Vodafone Idea (Vi) is said to be giving special offers to a select group of its prepaid subscribers. These customers can reportedly, with a recharge of Rs. 199, get 1GB of extra data per day, on top of the 2GB data that is available to them for the validity of the plan. The company is said to be also offering 4 days of extra service with its Rs. 179 prepaid plan.

There is a great need in healthcare, nanotechnology and other areas to improve our ability to see tiny objects that elude even the most powerful optical systems.