...Entry to the: 2014-2015 INTEL Philippines Science Fair Crislyn Keith P. Torrefiel (Proponent) Mrs. Irene M. Cruz Research Adviser J.P. Rizal St. Bagong Silangan Quezon City Bagong Silangan High School ACKNOWLEDGEMENT This investigatory project would never been accomplished without the effort, assistance and financial support of the people who willingly helped the researcher. In due recognition of all those who contributed to the success of this study, the researcher extend her utmost gratitude ad heartfelt appreciation of the following: Mrs. Angelita Regis, Principal IV of Bagong Silangan High School Sir. Edwin Abengoza, Head Teacher III of Science Department Mrs. Irene M. Cruz, my Science teacher, who motivated and guided me on making such project, My family, who gave me assistance and financial support. ABSTRACT Rats and mice are house pests that carry germs-causing diseases. To eliminate them many resort to buying some expensive commercial rodenticide. Dispensing this commercial rodenticides is synthetically prepared. This commercial and synthetic rodenticides are also harmful to our environment. To solve this problem, the researcher had thought of innovations in controlling these house pests safely & effectively. This study was conducted to produce a good quality rodenticide or rat or mouse killer using Tibanglan or Tubli (Derris Elliptica )and Nami or Intoxicating Yam (Dioscorea Hispida)is edible, a rich source of carbohydrates and cab...
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...major new chapters. 'learned, witty, and very well written...exhilaratingly good.' Sir Peter Medawar, Spectator Richard Dawkins is a Lecturer in Zoology at Oxford University and a Fellow of Mew College, and the author of The Blind Watchmaker. Preface to 1976 edition This book should be read almost as though it were science fiction. It is designed to appeal to the imagination. But it is not science fiction: it is science. Cliche or not, 'stranger than fiction' expresses exactly how I feel about the truth. We are survival machines-robot vehicles blindly programmed to preserve the selfish molecules known as genes. This is a truth which still fills me with astonishment. Though I have known it for years, I never seem to get fully used to it. One of my hopes is that I may have some...
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