Princeton paleontologist produces evidence for new theory on dinosaur extinction
As a paleontologist, Gerta Keller has studied many aspects of the history of life on Earth. But the question capturing her attention lately is one so basic it has passed the lips of generations of 6-year-olds: What killed the dinosaurs?... ...The answers she has been uncovering for the last decade have stirred an adult-sized debate that puts Keller at odds with many scientists who study the quest...World's largest scientific society convenes regional meeting June 8 - 11 in Princeton, N.J.
...... Middle Atlantic regional meeting of the American Chemical Society, the world's largest scientific society, in Princeton, N.J., June 8-11. Approximately 800 scientists and students are expected to attend the meeting on the Princeton University campus (McDonnell Hall and Jadwin Hall, 609-258-6115). Highlights include the following:... ... Analytical chemistry... ... ... Forensic chemistry....Princeton scientists have outlined the molecular genetics behind a great mystery of biology: how blood cells replenish themselves. The results - a database of more than 2,000 genes - give biologists their first comprehensive picture of the workings of blood stem cells, the master component of bone marrow that gives rise to all cellular constituents of blood, from red and white cells to platelet...