Numa to speak at AAAS Meeting

AAAS annual meeting. A first look at a comet's dust.

Potentially shaking basic assumptions of marine biologists, the first large-scale ecotoxicity study of coral has identified a new and surprising suspect for what may be killing reefs worldwide: organic carbon in the form of simple sugar molecules. Coral reefs are under global assault; Caribbean reefs, for example, have lost 80% of their coral cover in the last 3 decades. As coastal populations ...

Preliminary program aaas annual meeting, Boston, massachusetts.

The 1969 Meeting of the AAAS: A Brief Appraisal.

AAAS: Southwestern and Rocky Mountain Division 40th Annual Meeting.

equation for the dispersion of a small zone of vapor introduced in an instant at one point in the pipe. Measurement of the dispersion some 30 kilometers away showed the plate height to be smaller by many powers of 10 than would be expected if turbulent flow did not occur. More evidence that columns performed better than would be expected at very fast flow rates came from J. C. Sternberg (Beckma...

The 1967 Meeting of the AAAS: A Retrospect.

many more nonregistered visitors, Its varied content was described in detail in Science (beginning with the 22 September issue) and needs no repetition here. More than 1200 topics were offered for discussion. The AAAS sponsored 11 Invited Lectures: Carroll M. Williams (Harvard), Dame Kathleen Lonsdale (University of London), Athelstan Spilhaus (The Franklin Institute), Roger Revelle (Harvard), ...