David Koczkar reached exhilarating heights during the launch of Jetstar, but the role came at a cost. Here are his tips on how he copes with life’s pressures.

Blob is a very simple invertebrate, just like worms or jellyfish. Over 96% of all the animal species on Earth are invertebrate. They can be tiny like an insect or huge like the giant squid.

What is the Solar System? Journey through the Solar System and learn about all the amazing planets that orbit the Sun. Learn about the force of gravity that pulls all objects towards the Earth. Day ...

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