In case anyone is still following the blog, I found a fascinating article in an old issue of National Geographic (thanks Les!). It’s a one page piece on diatoms, with several cool colour images of diatom ‘skeletons’, otherwise known as siliceous cases. These have been massively magnified with the aid of a scanning electron microscope. I won’t paraphrase the article any further; instead I’ll get Caitlin (thanks!) to post the lot and you can be as amazed as I was to find out just how ubiquitous and crucial diatoms are in our everyday lives. Who would’ve thought?!
We’re enjoying the tail-end of a rest day in Upington, legendary hotspot on the South African weather map. The team has experienced something of a rebirth, but nothing spiritual of course – that would not be very expedition-like. Clothes have … Continue reading