circular breathing Watch a musician blow a horn longer than humanly possible Carla Sinclair

Nature Watch a living sand dollar spin like a tiny Roomba, etching circular sand art Popkin

Hyperthermia Death Valley heat causes tourist to become confused — he drives off cliff and dies Carla Sinclair

Boing Boing Gadgets This circular LED table lamp is eye-poppingly cool and can reset the mood in any room Boing Boing's Shop

Musical instruments A beautiful and affordable didgeridoo Mark Frauenfelder

fiction The Man Who Sold The Moon Cory Doctorow

happy mutants Chapters one and two of Charlie Fletcher's The Oversight Cory Doctorow