Scientists have found a clue to why one type of DNA is passed down to children by their mothers — but not their fathers. DNA inside energy-producing organelles called mitochondria is destroyed in a dad’s sperm shortly after it fertilizes an egg, researchers report online June 23 inScience. A protein called CPS-6 cuts apart the mitochondrial DNA in the male sperm so that the … [Read more...] about Scientists find clue to why Mitochondrial DNA comes only from Mom
forensic science
Forensic psychology – an Overview
Psychology and the law Forensic psychologists work within the legal system at every level. There is a popular image of the forensic psychologist as a latter day sleuth, solving crimes with the use of psychological profiling and their knowledge of criminal behaviour. But this is only a small part of what forensic psychologists do. Forensic psychologists are also involved … [Read more...] about Forensic psychology – an Overview
How Psychopaths can Save your Life
I once met a man who told me this: “In the operating theatre I am reborn: as a cold, heartless machine, totally at one with scalpel, drill and saw. Emotion is entropy and seriously bad for business. I’ve hunted it down to extinction over the years.” That man is one of the world’s top neurosurgeons. And a psychopath. Unfortunately I cannot name him. Another man I spoke to … [Read more...] about How Psychopaths can Save your Life
Sticky fingers: developing a materials science approach to forensics
From the bluebird painting propped against her office wall and the deer she mentions seeing outside her office window, Linda Lewis might be mistaken for a wildlife biologist at first glance. But rather than trailing animal tracks, Lewis, a researcher at the Department of Energy's Oak Ridge National Laboratory, is more interested in marks left behind by humans... She's a … [Read more...] about Sticky fingers: developing a materials science approach to forensics
Sherlock Holmes – Consulting Detective
The fog is rolling in, murder is in the air, and you, as one of the Baker Street Irregulars, are out to solve the crime. … [Read more...] about Sherlock Holmes – Consulting Detective
