Mixing up MHCs makes the immune system more effective.

ECONOMIST: Perfume science

Mixing in dispatchable CSP power would help maintain the stability of the whole system.

FORBES: The Next Trend: Integrating PV with Solar Thermal

In January, a report by the Academies Commission found that the current system was unnecessarily complex and that a proliferation of schools handling their own admissions was a threat to social mixing and equality of access to good schools.

BBC: School admissions appeals may not be fair, says watchdog