Plenty of poppies on display as we survey the rare arable weeds on the Broadbalk long-term experiment today.

After a hot day harvesting blackgrass, the cold store suddenly seems very appealing...

Blackgrass fieldwork off to a soggy start this summer!

Just finished my Rothamsted #RResDays16 presentation. Hope everyone enjoyed my many photos of blackgrass...

No Barn owl today, grass has all been cut. Instead, this was out menacing the local small mammal population:

Thanks to everyone who visited the @BlackGrassRI at #cerealsevent today. Blackgrass breakfast 8:30 tomorrow on the @Rothamsted @BBSRC stand.

And today, an unexpected trouser tourist; the black headed cardinal beetle (I think!)

Today's fun: getting up close and personal with a hunting Barn owl...

Last in the series of #BR12110 practicals today. Oomycetes, Basidiomycetes, Ascomycetes, and Zygomycetes galore!

Is it a Bird? is it a plane? no.. it's the cytoplasmic streaming of a slime mould from last weeks prac class vimeo.com/87408390 #BR12110

Just back from a great fieldtrip to Chester zoo for #BR24310. Back to teaching biodiversity of the microbial kind for the rest of the week!

Just back from a work placement visit to the National Trust at Llanerchaeron. Nice to see our WEP students doing so well! #RDW0160.

Don't worry, the weather isn't always this grim in Aberystwyth..........

#BR23420 Treating observations as independent when they are not. Can be difficult to identify sometimes....

#BR23420 Counfounding variables: anything else that could affect the dependent variable. Control them using experimental design.