"Thinking too much about chalk," and the full texts it cites: Thomas Huxley's "On a Piece of Chalk" and GK Chesterton's "A Piece of Chalk".
On May 7th, Robert Krulwich (of WNYC's RadioLab and accompanying NPR blog Krulwich Wonders) gave the commencement speech to Berkeley Journalism School’s Class of 2011 on the future of journalism. (Via) [more inside]
Kevin Kelly, writer and founding executive editor of Wired magazine, made the bold statement: "I say there is no species of technology that have ever gone globally extinct on this planet." The challenge was laid, including a search through the agricultural tools section of an 1895 Montgomery Ward & Co. Catalogue. Every item listed in that section was still made, somewhere in the world (and found online, to boot). Additional challengers were found, from the 8-Track (still being made [previously]), anvils (plenty), astrolabes (pick one [listed under Astrolabe Reproductions]). Button hooks? Check. Shoe X-Ray Machine? Probably extinct (via). [more inside]
How to Sequence a Genome [Flash. H/T to Jay]. Visualization of the process of genetic sequencing. Posted on the Nova website in conjunction with their show, Cracking the Code of Life, hosted by Robert Krulwich [Wiki].