Paul May, a chemist at the University of Bristol in England, edits The Molecule of the Month, an online compendium of essays and short pieces about what he deems to be “particularly interesting molecules.” Recently featured molecules include the potent artificial sweetener aspartame and the notorious defoliant Agent Orange.

The aim of the MEMS Clearinghouse is to foment the sharing of information and ideas about microelectromechanical systems (MEMS). Run by the University of Southern California’s Information Sciences Institute, the site offers news about industrial developments and upcoming conferences, as well as job postings and an online bookshop.

Currently touring the US, the exhibit Hubble Space Telescope: New Views of the Universe highlights the scientific achievements of the Hubble Space Telescope. The exhibit’s lavishly produced online incarnation offers several movies, one of which previews Hubble’s successor, the Next Generation Space Telescope.

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