It’s been a bit chilly recently. In the UK, temperatures dropped dramatically. We’ve not only experienced arctic nights, but days where the temperatures didn’t trouble zero. It was worrying for those who did not have the benefit of a centrally-heated home and annoying and dangerous for commuters. But could science help us tackle these kinds of conditions in the future? Could we prevent road and rail from freezing? Could humans survive for prolonged periods in sub-zero temperatures?