Sarah in Auckland asks: If you hold the trigger on the fuel pump halfway down will you get more petrol and less air in your tank?
Can whales get the bends? -Maurie Harnett, Tai Tapu,
Alastair Watchman asks: Why do birds fly in a murmuration?
Sarah in Auckland asks: If you hold the trigger on the fuel pump halfway down will you get more petrol and less air in your tank?
Can whales get the bends? -Maurie Harnett, Tai Tapu,
Alastair Watchman asks: Why do birds fly in a murmuration?