The ‘subterranaut’ describes how the discovery of ancient bacteria miles beneath the Earth’s surface opens the possibility of finding life on Mars. He picks five books that show how our knowledge of life deep in this planet could lead us to discover it elsewhere.
Philip Plait urges us to remember that “science isn’t an encyclopedia of facts to memorise. It’s alive.” The astronomer and author of the acclaimed Bad Astronomy blog discusses books that can’t help but light the fire of interest in all things astronomical. He looks at how we can date the age of the universe, the danger of solar flares, and why Pluto is no longer classed as a planet.