Metaphors in science communication: Hits and misses

At the beginning of August, various scientific announcements whizzed past me on Twitter. First, a new room-temperature super-conductor (LK-99 for short), which I just dismissed in my head as hype*, then a new pill that cured cancer, which sounded a bit more plausible. In news coverage of both announcements, the phrase ‘holy grail’ came up, …