Out of all the senses, smell is most closely linked to memory.
146
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists aren't sure what color dinosaurs were.
312
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44