Latest Carly Vynne Stories
National parks often are established to help preserve species native to a particular region, but it appears that some species preservation is more successful if a significant portion of land adjacent to a park also is left as natural habitat.
In the Cerrado region of Brazil, four dogs trained to detect animal feces by scent are helping researchers monitor rare and threatened wildlife.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.