What is Calico?

The launch last week of Google's Calico - California Life Company - is an important step in the battle against ageing.  But we still don't know whether it is a head-on charge against death itself, or an incremental approach, tackling individual diseases with Big Data.  The distinction is, well, a matter of life and death. Aubrey de Grey is Chief Science Officer of SENS, which stands for Strategies for Engineered Negligible Senescence.  He thinks that by repairing seven types of molecular and cellular damage to the body which are caused by our basic metabolic processes, we can halt the ageing...