| Introduction One benefit of working at Berkeley Lab has been the opportunity to witness first hand discoveries that have changed for all time our understanding of the world in which we live. Along with this benefit has been the privilege to know the people who have made these discoveries and to watch their personal struggle to convince the scientific community of the validity of their work. One of these Berkeley Lab discoveries is that life on earth has been disrupted by major catastrophic events such as asteriod impacts that have resulted in mass extinction. Frank Asaro, nuclear chemist at Berkeley Lab, was part of the team that made this discovery. This web site provides an insiders perspective. Many middle and high school students and teachers who have visited the Berkeley Lab have had the opportunity to meet Frank Asaro and see the original poster display documenting the asteriod impact discovery. This web site is intended to be a resource for students, teachers and the general public interested science. It is our hope that visitors to this web site have a better understanding of the scientific evidence for the asteroid impacts leading to mass extinction. |
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