Quiz Answers
- It is a 40 000km wide horseshoe-shaped area where over 75 per cent of the world’s volcanoes exist and about 90 per cent of the world’s earthquakes occur.
- Emotional tears contain more protein-based hormones (including natural painkillers) that the body produces when under stress.
- Don’t let those big eyes fool you! The answer is hearing.
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- Tsunamis generally only become a danger in shallow water close to the shorelines, and are not a danger to ships or platforms far out at sea. Rogue waves, however, are. These are generally found far out at sea, and can measure up to 30 meters high! CSIRO has recently begun modelling these waves, using fluid-flow mathematics and computer modelling. By smashing these virtual waves into oil and gas platforms, the CSIRO hopes to improve the design of structures used in the deep ocean.
