épinglé par ❃❀CM❁✿Trigonometry blood spatter - Stringing is one method that bloodstain pattern analysts use to discover the origin and type of violent action. Learn about stringing and areas of convergence.
17 Things you should know about DNA (Infographic). It's the basic building block of all life but what do you really know about it? See how you compare to other humans and crack the genetic code with this informative infographic.