59 images of galaxies interacting with one another, newly released to celebrate the Hubble Space Telescope's 18th anniversary. Images available for download here. As featured in today's APOD.

No, **you** are NOT lesbians ***WE*** ARE Lesbians and we're fightin' for it!

RIP Albert Hoffmann - he made a vast discovery. A vast one, I tell you. more inside

Cognitive surplus is a concept that produced an "aha!" moment for me. Many blogs have covered Clay Shirky's presentation at Harvard of his new book Here Comes Everybody (no sniggering!). Via.

Hubert's Freaks - This is the story of Bob Langmuir, a brilliant but troubled rare-book dealer whose headlong pursuit of an archive from a 1960s Times Square freak show leads to the discovery of a trove of hitherto unknown photographs by the great American genius Diane Arbus.