This is Science Friday. Hearing researchers now think that nerve fibers can be affected by noise damage and even old age and it s opening up opportunities for treatments for kin it is a new look at something called Hidden hearing loss Plus you ve heard of artificial intelligence helping drive robots are playing strategy games but what can a I teach us about the planet we call home and we re a hair closer to growing fully functional skin in the lab but it s a more complex organ then you might think we ll talk about why after the break so stay with us. Live from n.p.r. News in Washington I m Lakshmi saying the chairman of the Senate Judiciary Committee is now recommending that the Justice Department investigate whether criminal charges should be filed against the author of the so-called Trump dossier that dossier is reported to have information about ties between the tram campaign and Russia s bid to interfere in the Presidential Election Committee Chairman Charles Grassley and fellow R