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Pen y Fan (left in my photo) in the Brecon Beacons National Park (Parc Cenedlaethol Bannau Brycheiniog) is the highest peak in south Walesat886 metres above sea-level. The twin peaks of Pen y Fan and Corn Du(on the right) is 873 m. The pair were formerly known...
This brimstone (Gonepteryx rhamni) was so obvious as it fluttered around the woodland understory at Wandlebury with its sulfurous wings. However, as soon as it settled and closed it was suddenly as well camouflaged as any insect might be while feeing on a periwinkle...
If you see violets growing in the wild, on a woodland walk in Wales, say, the species in question is most likely to be the common dog-violet (Viola riviniana). It’s odd that the called it both common and dog, given that dog attached to a name, particularly...

Most popular posts

Periodic Table of QR codes – QR codes are those little black and white boxes that look like a messed up barcode, which is essentially what they are, 2D barcodes. They’re becoming almost ubiquitous. Every event you attend, every restaurant you pass,...
Penrose, Escher, back – M.C. Escher‘s famously paradoxical illustration of 1960 depicting a stairway atop an “impossible” building, and made famous recently in a dreamscape of the Hollywood movie “Inception“, that seems to...
Scerri stuff indeed – Non-chemists, and perhaps a few chemists, might have assumed that once all the holes in Mendeleev's Periodic Table were filled with modern discoveries and the lanthanides and actinides added, that the Table was forever immutable,...

Latest posts linking here

My recent Research Highlight on ChemistryViews.org about the nature of the Periodic Table of the Elements attracted a lot of readers and has stimulated an ongoing debate among those arguing as to whether or not there is a definitive format for this iconic tool....
Emilie Bigorgne of the Universit Paul Verlaine – Metz and colleagues suggest that the increasing production of nanomaterials will in turn increase the release of nanosized by-products to the environment. Whether or not these particles will accumulate...
David Bradley recently blogged about a molecule that resembles the Penrose Steps, the post caught the eye of Dan Lednicer who reveals here a tale of aromatic chemistry from the pioneering days of 1950s organic synthesis and alludes to the impossibility of a...