Remember Barry DiGregorio's mini-black holes ...
Friday, 22 November, 2002, 14:39 GMT
Did quark matter strike Earth?
"A group of researchers have identified two seismic events that they think provide the first evidence of a previously undetected form of matter passing through the Earth.
"The so-called strange quark matter is so dense that a piece the size of a human cell would weigh a tonne."
http://news.bbc.co.uk/2/hi/science/nature/2502755.stm
Bob Clark
