'Spongosphaera streptacantha' and 'Dictyosoma trigonizon' Finish:Rolled It weighs just over a

It weighs just over a ton

North-east view of the old General Post Office with the Royal Mail carriages preparing to depart

That this was not yet a speedy science is evident from the depth of the snow on the back of the photographer

The pool of Bethesda in Jerusalem was known for its supposed healing properties

'Spongosphaera streptacantha' and 'Dictyosoma trigonizon' Finish:Rolled It weighs just over aSpongosphaera streptacantha (figs 1 3) and Dictyosoma trigonizon (figs 4 6), classes of radiolarian (amoeboid protozoa that are found as zooplankton). Illustration from Die Radiolarien (Rhizopoda radiaria): eine Monographie: Atlas, by Ernst Haeckel (Berlin, 1862). Original: lithograph . 1862