These military intelligence departments work closely with the national intelligence agencies such as the National Security Agency and the Central Intelligence Agency, which are comprised primarily of civilians. Degrees in engineering, computer science and foreign languages can often be very useful.
What is leg bruise? A bruise, or ecchymosis, is a collection of blood in a confined area. It can form directly under the skin, within a muscle, in and around bone, or inside the body. Under the skin, a bruise may cause an area of discoloration that may change colors and spread before resolving.
How to Identify Insect Bites With Bruising. Insect bites that cause you to bleed under your epidermis, or the top layer of your skin, will cause bruises to form. There are several types of insect bites that may form bruises, such as bites from spiders, mosquitoes, bed bugs and ticks. Stings from scorpions, wasps or bees may also form bruises.