Adam Roberts turns his attention to answering the Fermi Paradox with a taut and claustrophobic tale that echoes John Carpenter's The Thing. Two men while away the days in an Antarctic research station. Tensions between them build as they argue over a love-letter one of them has received. One is practical and open. The other surly, superior and obsessed with reading one book - by the philosopher Kant. As a storm brews and they lose contact with the...