Since the vocal tract consists of soft tissue (and therefore does not fossilise), reconstructing it depends on extrapolating from measurements made at the bases of fossil skulls.

ECONOMIST: What is music for?

Critics say Mr Huckabee pressured the parole board to release Mr Dumond and grant clemency to others: therefore, he is soft on crime.

ECONOMIST: Mike Huckabee throws his hat in

There's a culture in our society that says remembering these obligations is somehow soft - that we can't show weakness, and so therefore we can't show kindness.

CNN: Obama's Father's Day speech