A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The bark of an older redwood tree is fireproof.
65
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Pure water (H2O) does not conduct electricity on its own.
46
Pumice is the only rock that floats on water.
14
Out of all the senses, smell is most closely linked to memory.
146
The left ear is more responsive to words of love and emotion whispered into it than the right.
40