NASA and India paired up to launch an Earth-mapping satellite on Wednesday capable of tracking even the slightest shifts in land and ice.

Orange County Supervisor of Elections Glen Gilzean says his office has launched an interactive map that gives the wait times, in real time, at 22 polling locations.

Uttar Pradesh, Bihar, Odisha, Rajasthan, Madhya Pradesh and Himachal Pradesh are among the flood-affected states.

The satellite pictures, from June 13 and August 7, show that a bridge and what appears to be orchards are also inundated.

William Fulton, Robert MacPherson, Characteristic Classes of Direct Image Bundles for Covering Maps, Annals of Mathematics, Vol. 125, No. 1 (Jan., 1987), pp. 1-92 ...