They are normally seen as membranes that cover important organs but the study of bacterial capsule polysaccharides is one that is being conducted by the medical community to determine the role this has in disease. Bacterial infection is something that kills millions of people each year.
The Government's Marriage (Same Sex Couples) Bill received Royal Assent on 17th July 2013, having been passed by both Houses of Parliament. The Bill followed a Government consultation in 2012.
This timeline highlights the changes in state policies leading up to that ruling, starting in 1995 â when Utah became the first state to enact a Defense of Marriage Act (DOMA). Massachusetts became the first state to legalize same-sex marriage following a ruling by the stateâs highest court in 2003. Drag the pointer or click on the timeline above the map to explore all 50 statesâ changes over time.