the.com/petrichor
the smell of rain is ancient bacteria announcing the storm before you do
means The earthy, pleasant scent that rises when rain falls on dry ground after a dry spell.
from A coined word, assembled in the 1960s by two scientists who studied the phenomenon. They built it from Greek roots: petra, 'stone,' and ichor, the mythological golden fluid said to flow in the veins of the gods. So the name literally casts rain-smell as the 'blood of stone' — the essence wept from the rocks themselves when the sky returns.
- named 1964
- coined by two Australian scientists in Nature
- the source
- geosmin, made by soil bacteria called actinomycetes
- human nose
- detects geosmin better than sharks detect blood
- greek roots
- petra, stone, plus ichor, blood of gods
- camel trick
- camels smell it to find water miles away
geosmin molecule detection — australian scientists identified geosmin as the compound responsible for petrichor's smell in 1964
desert rain in arizona — creosote bushes release oils during monsoon rains, creating the strongest petrichor on earth