[TrevorFancher]

> Some researchers have seized upon blogging as a great way to ... reach their peers ... I am sure the audience here knows of many ...

Will the audience with such knowledge kindly enlighten the rest of us?

[naa42]

Theoretical/mathematical physics: Not Even Wrong http://www.math.columbia.edu/~woit/wordpress/

The reference frame http://motls.blogspot.com/ (not only physics, but also climate change)

Collective blog on mathematics and mathematical physics: n-Category cafe http://golem.ph.utexas.edu/category/

[ilamont]

Two I have visited in the past:

Economics: Baseline Scenario: http://baselinescenario.com/

Asian History: Frog in a Well: http://www.froginawell.net/