A team of chemists and zoologists from Israel, Italy and Russia, has found evidence suggesting that part of the reason woolly mammoths went extinct was the onset of allergies that made it difficult for them to find mates. A team of chemists and zoologists from Israel, Italy and Russia, has found evidence suggesting that part of the reason woolly mammoths went extinct was the onset of allergies that made it difficult for them to find mates. Ecology Paleontology & Fossils Phys.org – latest science and technology news stories