Your brain is 80% water.
525
Sound at the right vibration can bore holes through a solid object.
134
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Sound travels fifteen times faster through steel than through air.
134
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Out of all the senses, smell is most closely linked to memory.
146
Billions of neutrinos pass unnoticed through your body every second.
6