Should we be more cheerful? The media often suggests that the world is getting worse, but if we look again we can find plenty of reasons to be positive about the future.
The news is terrible… but the truth is good
Cause for celebration: Our brains are hardwired to react more strongly to negative events. Glossary
Fossil Fuels - Non-renewable fuels such as coal or gas, formed in the geological past from the remains of living organisms.
Sickle cell disease - A group of inherent disorders that cause unusually shaped red blood cells in sufferers.
Alzheimer's disease - A progressive disease that causes brain damage over time. It is a common cause of dementia.
UN - United Nations. An intergovernmental organisation based in New York that aims to maintain international peace and security.