19

In summary; The cause of death of the Challenger astronauts cannot be positively determined; The forces to which the crew were exposed during orbiter breakup were probably not sufficient to cause death or serious injury; and The crew possibly, but not certainly, lost consciousness in the seconds following orbiter breakup due to in-flight loss of crew ...


11

They might well have been (even "probably were") alive until impact with the ocean, but it's unknowable whether they were conscious. Here is a NASA letter whose purpose is to summarize what's known about the deaths of the astronauts. It's written by "Joseph P. Kerwin" (an astronaut/physician, M.D.). It says (I quote extracts from it below), The ...


9

Yes, replication/duplication of fingerprints has been demonstrated through the following methods. a. Gelatin/Silicone: Description of the process is present here and it further describes turning a two dimensional print into a three dimensional mold. In 2000 van der Putte and Keuning systematically studied a number of fingerprint scanners and concluded that ...


7

In theory, no, but the odds for it happening are really low. This presentation has a slide with an overview of the literature on the subject. If I'm interpreting the chart copied below, estimations of the possible configurations of fingerprints (i.e. the probability of a given fingerprint occurring) range from 1.45x10-11 to 1.20x10-80. Given that the ...


2

A few years ago I have seen a presentation by Mark Benecke, a forensic biologist, here in Cologne (Germany). He was among the scientists who took the DNA samples from the skull. According to him, the fragments had been touched by everyone in the Russian institute, so the DNA could have been from one of the scientists in the lab. The presentation is not ...


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