A number India recently celebrated is now in question. According to the latest data by the IMF, India has slipped to in the global GDP rankings, nudged out by the UK. The good news: it's still on course to become the third-largest economy by 2031. Parliament's numbers are also in flux. The government has tabled a bill to expand the Lok Sabha from 543 seats to a maximum of , using updated population data to redraw constituency boundaries. Southern states, whose populations have grown more slowly, are worried they'll end up with less representation in the new map. We may not be alone in having language. Researchers studying the clicks and codas of whales have found that their communication contains vowel-like patterns, varying in length and tone, strikingly similar to human speech. The whales appear to produce these sounds deliberately, though what they're actually saying remains a mystery. And in navigation news from the animal kingdom: the dung beetle, rolling its ball across the African savanna on a moonless night, steers by the faint glow of the . It's the first insect, and one of the very few animals, known to use our celestial neighbourhood as a compass. Finally, a little bit of absurdity, has been mandatory for auto and rickshaw drivers in Maharashtra from May 1. The threat of cancellation of their licenses looms.