As more people seek to go where no man has gone before, researchers are exploring how forensic science can be adapted to extraterrestrial environments.
"Studying bloodstain patterns can provide valuable reconstructive information about a crime or accident. However, little is known about how liquid blood behaves in an altered gravity environment. This is an area of study that, while novel, has implications for forensic investigations in space," he commented.
Co-author Professor Graham Williams, from the University of Hull, explained:"With the lack of gravitational influence, surface tension and cohesion of blood droplets are amplified. What this means is that blood in space has a higher tendency to stick to surfaces until a greater force causes detachment. Within the application of bloodstain formation, it means that blood drops exhibit a slower spread rate and, therefore, have shapes and sizes that would not be reflective on Earth.
Zack added:"We find ourselves in a new era of forensic science; just as mid-19th century research asked the question of what a bloodstain meant in relation to cause; we are once again at the beginning of new questions that tie in how new environments influence forensic science.
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