Six Things on

Bell Rock Lighthouse - first to take on the cruel sea

Bell Rock Lighthouse - first to take on the cruel sea

The Bell Rock Lighthouse, off the coast of Angus, Scotland, constructed at beginning of the 19th century, is the world's oldest surviving sea-washed lighthouse - one built out at sea, often on a rock or reef.

The first submarine - rowed along the Thames in 1624!

The first submarine - rowed along the Thames in 1624!

The first practical submarine was demonstrated in the Thames in the 1620s, the product of an ingenious Dutchman who caught the eye of King James I. Its power depended upon human effort in the form of underwater rowers.

Herstmonceux Observatory - a short but vibrant heyday

Herstmonceux Observatory - a short but vibrant heyday

Now known as the Observatory Science Centre, the array of telescopes in the countryside near Herstmonceux, East Sussex, was for several decades the home of the Royal Greenwich Observatory - when it moved out of central London to escape light pollution.

Dragonflies and damselflies - 57 delightful varieties

Dragonflies and damselflies - 57 delightful varieties

Dragonflies and damselflies are a countryside delight in Britain during the summer months - familiar for their iridescent pairs of double wings, colourful bodies and darting flight.

The Isokon Building - London's experiment in minimalist urban living

The Isokon Building - London's experiment in minimalist urban living

The Isokon building, also known as Lawn Road Flats and the Isokon Flats, is a modernist block of flats in affluent Belsize Park, London. Its experimental design saw it become a centre for artistic thought (and espionage) in the 1930s and 1940s.

Corncockle - one of our rarest plants

Corncockle - one of our rarest plants

As the name suggest, Corncockle is a plant of cultivated cornfields. Due to changes in farming practices, it has been reduced to just one site in the wild - but is now often sown as part of wildflower seed mixes.

Six things to delight and entertain you every day.