In 1992, an 84-year-old grandmother was brutally assaulted and killed in California. For 25 years, the mystery of her death went unsolved — and her killer unapprehended — due to the lack of physical evidence to tie him to the crime. Twenty-five years later, police paid a visit to a pizza party where they found sufficient evidence to arrest her murder. At first glance, the murder and the pizza party seem unrelated. However, there is a link: familial DNA…
Tag: genetics
Familial DNA as a method of identifying serial killers
Trigger warning: This post contains details of specific crimes that are related to sexual assault and murder. In 1992, an 84-year-old grandmother was brutally assaulted and killed in California. For 25 years, the mystery of her death went unsolved—and her killer unapprehended—due to the lack of physical evidence to tie him to the crime. Twenty-five… Read more »
Safety in diversity?
Disease epidemics can be devastating. How can the spread of infectious disease be controlled? It is believed that more genetically diverse host populations have lower prevalence of infectious diseases. This pattern is particularly strong in agricultural systems where diverse mixtures of crops are less susceptible to epidemics than single species (the “monoculture effect”). But how… Read more »