リンク Polar Biology Pressures produced when penguins pooh—calculations on avian defaecation Chinstrap and Adélie penguins generate considerable pressures to propel their faeces away from the edge of the nest. The pressures involved can be approximated if the following parameters are known: (1) distance the faecal material travels before it hits 2 users 204 リンク Wikipedia イグノーベル賞受賞者の一覧 イグノーベル賞受賞者の一覧は、