Diving in Easter Island. The main attraction for divers is Easter Island, which lies 2,300 miles offshore. The island rests on a broad submarine volcanic ridge that supports 144 species of algae and 111 species of tropical and pelagic fish. Six species of corals grow in shallow water around the island, though there are no coral reefs.
Fingerprinting is still common and accurate no one person has the same fingerprint, palm print, foot print which means if a match occurs with a print it is very likely to be correct. Lie detectors are becoming more advanced, but until they are able to detects lies then they should not be used in court. Sources. http://www.howstuffworks.com... http://www.time.com... http://www.dna-geneticconnections.com...
The lie detector was used to determine if a person was guilty or innocent of a crime. This invention first was a failure by James Mackenzie in 1902, but when John Larson advanced this invention he changed what the machine studied.he test they took lasted for about 2 hours. After the test experts would examine the results to determine if the person was telling the truth about the crime. The lie detector uses different wires with a rubber pad to measure rates and pulses. They place the wires in different places on the body.