With the loss of Terry Pratchett, it’s fair to say, that Alzheimer’s has been at the forefront of a lot of people’s thoughts over the past few weeks. Dementia can be very dark news but research in the US means another ray of hope against this awful disease.

• US Scientists halt Dementia in Mice
• US pledges to remove Cuba from Terrorism List
• New Horizons captures its first colour images of Pluto
• Patterson increases donations to Independent Bookshops
• Gray Whale makes record Migration
• Ancient coin hints at trade history of Bristol Channel
• British Swimming Gold for Peaty
• Leicester Tigers to play Historic match in US