More from How It Works

How It Works5 min read
How Astronauts Train For space
In space, astronauts lose an average of 1.0 to 1.5 per cent of mineral density in weight-bearing bones per month To build up their bodies, cope with confinement and monitor machinery, astronauts must embark on rigorous training programs For many, it’
How It Works6 min read
Are You Breathing Properly?
The average adult breathes in 7,570 litres of air daily – the equivalent of filling up 45 regular bathtubs. Of this volume, only 20 per cent is life-sustaining oxygen, and 15 per cent of this inhaled oxygen leaves the body again during exhalation. Th
How It Works6 min read
Braindump
Several species of sharks are known to live in freshwater environments, but whether they should be considered true freshwater fish is debatable. Probably the most mysterious are the river sharks of the genus Glyphis. Fewer than ten species have been

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