Dedication: For Krinkle, because I think he’d appreciate the juxtaposition This is one of my favorite quotations from literature: And it is a strange thing that most of the feeling we call religious, most of the mystical outcrying which is one of the most prized and used and desired reactions of our species, is really…
General science
NEOWISE
My best shot of the comet that has been hanging out near Earth over the past week or so: Technical details, for those who care about such things:
Rediscovery of a lost species
About a year and a half ago I wrote about salmonids and beavers in the Lake Tahoe-Taylor Creek region, specifically about the non-native kokanee salmon (Oncorhynchus nerka) that were introduced into the region in the 1930s and 1940s as a game fish. Since then the kokanee has displaced the only salmonid native to the Tahoe…
Snapshots of Snapshot Day
Since 2000 the first Saturday in May is Snapshot Day in Santa Cruz. This is a big event where the Coastal Watershed Council trains groups of citizen scientists to collect water quality data on the streams and rivers that drain into the Monterey Bay National Marine Sanctuary, then sets them loose with a bucket of gear,…
Bogus terminology
BEWARE: This is a mini-rant. Continue at your own risk. Several times over the past year or so I’ve heard the term “king tide” being tossed about in the general media. I remember looking up the term when I first heard it, back in December 2014, and came across the following definition, which I cribbed from…
Fun with fizzy beverages (in the bathroom)
Yesterday I heard (or, more precisely, was reminded) that the quinine molecule fluoresces. Fluorescence is what happens when a molecule absorbs electromagnetic radiation–either in the visible light range or elsewhere in the spectrum–and emits light at a different wavelength. Lots of molecules fluoresce. Chlorophyll, for example, is the green molecule that captures the light photons…