The material the team used in these initial proof-of-concept experiments did make use of one biological component - chloroplasts, the light-harnessing components within plant cells, which the researchers obtained from spinach leaves.
In the past 12 months Americans have searched for Python on Google more often than for Kim Kardashian, a reality-TV star. The number of queries has trebled since 2010, while those for other major programming languages have been flat or declining.