• Royal Parks are celebrating the 160th anniversary of the opening of London’s Royal Parks to the public with a season of events including Trooping the Color (St James’s Park, this weekend), BBC Proms in the Park (Hyde Park) and various sporting events being held in the lead-up to the London Olympics next year. Last month also saw the unveiled of a new permanent art project in Hyde Park commemorating the Great Exhibition of 1851. Organised by the Royal Commission for the Exhibition of 1851 in conjunction with Royal Parks, it marks the site where the exhibition was held. London’s Royal Parks were opened to the public in 1851 after the passing of the Crown Lands Act which transferred management of the parks to the government. For more, see www.royalparks.org.uk.

• Who could pass up a chance to feel whether a cow is pregnant? The British Library will be hosting staff from The Royal Veterinary College on 28th June for a day of hands-on demonstrations including the chance to use haptic technology and “feel” whether a cow is pregnant as well as opportunity to create a virtual, touchable 3D model using interactive software. The demonstrations are part of the library’s Growing Knowledge Exhibition showcasing innovative research tools. Spaces are limited so get in quick. To book your place, visit http://cowlooseinthelibrary.eventbrite.com/%3C/a%3E

On Now – The Lost Collection. In conjunction with Transport for London’s Lost Property Office, KK Outlet in Hackney is running an exhibition of unclaimed art that was left on London’s tube, buses, overground trains and black cabs. The work by nameless artists includes drawings, painting and photographs and, in some cases, whole portfolios. Runs until 30th June (42 Hoxton Square). For more information, see www.kkoutlet.com