International News Archive - December 04, 2012
The Soviet government has long kept outsiders away from the Russian Far East, shrouding a source of powerful earthquakes and volcanic activity on the Pacific Rim in secrecy.
A new report from Duke University researchers suggests that Africa's savannahs have been disappearing at an alarming rate, threatening once robust population of lions.
- 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.