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Australia-Promising Canine Cancer Vaccine
Researchers at Sydney, Australia’s Kolling Institute have developed and tested a vaccine on 30 dogs with advanced melanoma, bone cancer and liver cancer. So far the results have been positive, slowing the growth of the original tumors and helping to prevent others from occurring. Dr. Chris Weir, who developed the vaccine, used dogs because their […]
Why Do Birds Have Beaks?
Birds‘ beaks function the same way that jaws do in other animals. Jawbones and teeth are heavy and birds need to be lightweight so they can fly. That’s why they have beaks instead. Different species of birds have differently shaped beaks. Each bird has a beak suited to the type of food it eats. For […]