"The ambience of a church induces respect in people, " said Andrew Dittmer, 36, a Boston graduate student who is sleeping at the church.

WSJ: Occupy Wall Street Protesters' New Home: Churches

In a paper in the Journal of Immunological Methods, Wendy Dittmer of Philips claims to have achieved a 100, 000-fold increase in detection speed by hurrying magnetically tagged molecules of parathyroid hormone towards the spin valve with an electromagnet instead of allowing them to diffuse there.

ECONOMIST: Labs on a chip