Studying the holes in an asteroid, Great Slave lake life, stone-age wood, finding the right homes for bats, understanding marine heat waves and aurorae on other planets

Quirks and Quarks

Vatican scientist will be among the first to study space rocks delivered from the heavens; The base of the food chain in Great Slave Lake has been altered as climate changed; The stone age was probably also the wood age; Investigating what makes a good bat-condo; Climate change is making marine heat waves more frequent and intense – and that's changing life in the ocean; Listener question:What impact do solar flares have on the planets closer to the Sun than Earth?