Good week for

Lost property

Two of Charles Darwin’s notebooks —one of which included his 1837

Tree of Life sketch—stolen from Cambridge University library more than 20 years ago have been anonymously returned with a note that reads ‘Librarian, Happy Easter X’

The sound of frogs mating

The reintroduction of the northern pool frog—with its striped back and noisy mating males—after decades of extinction has been so successful in Norfolk that conservationists are creating a second population site

Orkney little terns

The vulnerable seabirds on the Scottish island are thriving, thanks to the efforts of local schoolchildren, who are educating the community and clearing the beach of litter, which can poison chicks

Long weekends

More than 3,000 British employees at 60 companies will take part in the world’s largest pilot of the fourday working week, overseen by Oxford and Cambridge universities and Boston College, US

Farmland

The average value of farmland is rising at its fastest rate since 2014, finds Knight Frank analysis, with prices for bare land up almost 4% in Q1 and 14% since last year, outperforming even prime central London residential property

A career in forestry

Applications are open for the Forestry Commission’s new paid Development Woodland Officer threeyear apprenticeship, for over 18s