telltale

By February the telltale line appeared on the test.

There’s no existing screen for three-fourths of the types of cancers that Galleri found, because Grail’s blood test employs a new technology that finds telltale bits of DNA shed by tumors into the bloodstream.

"But if I can re-listen to an album top to bottom over and over again, that's a telltale sign - because it's hard to keep your attention."

Mr Kaplan says he sees a couple of telltale signs the AI sector - and therefore the wider economy - could be in trouble.

Cats are exquisitely sensitive to H5N1; one of the telltale signs that a dairy herd is infected is the presence of dead barn cats.