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This book is an evolutionary history of life on earth. Its focus is not the evolution of the structural/functional adaptations found in any biology textbook, though these are necessarily discussed in a general way. Its primarily concerned with consciousness, with what the organism experiences. Just how far back into evolutionary history consciousness extends, of course, is a highly controversial issue, and one which we will probably never resolve with certainty. We know we are conscious, and most people would probably extend consciousness to other mammals, but when it comes to lower vertebrates, let alone invertebrates, there is no consensus. This book takes a what if approach. What if all f...
This book represents Part 2 of a venture started by distinguished neuroscientists to visualize and advertise the experimentally advantageous preparations of the crustacean nervous system. The advantage is a combination of ease of dissection of key structures and the possibility of repeatedly accessing identified individual cells to measure the detailed response of the system to the experimentally imposed stimulus program. Of course, the neurosciences have to focus their research on the nervous system of mammals and man in order to understand the principles of function and their regulation if malfunctions occur. This is in line with efforts to investigate nervous systems throughout the animal...
This thesis presents neutron scattering data that contribute to the understanding of four distinct areas of condensed matter physics, including iso-compositional liquid-liquid phase transitions and the glass formation in rare earth doped BaTi2O5. In situ aerodynamic levitation with laser heating was combined with neutron scattering in order to study both liquid-liquid phase transitions in (Y2O3)x(Al2O3)1-x and the atomic and magnetic ordering in liquid Invar. Among several significant results, obtained in this case from small angle neutron scattering, was the absence of a phase transition across a range of temperatures and compositions in the yttria aluminates. As these are a principal system in which liquid-liquid phase transitions have been hypothesized, this is an important contribution in a contentious area.
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