Manipur board exam: Solved question papers given to students

Students appearing for a class XII board exam in Manipur were given question papers with answers printed on the back side, after which the test was cancelled.

Three decade old mystery of `planetary nebulae` solved

Astronomers have resolved a 30-year-old argument, ruling out a one-size-fits-all mechanism for shaping some of the most beautiful objects in space – the "planetary nebulae".