In a message dated 4/14/03 12:25:40 PM Pacific Daylight Time, jbois@umd5.umd.edu writes: << Drilling at Yucatan reveal, they say, microfossils 300,000 years after supposed extinction: >> Could have washed back in at the time the crater was made. Also, it now seems as if Chixculub was just one crater from a nearly simultaneous worldwide bombardment.