Table of Contents The History of Memory Memory is complex. Sometimes, something as simple as a smell can transport us back to that vacation we took in 2015. Other times, we walk into rooms and forget why we went there in the first place. The concept of memory has been […]

Living organisms in nature depend on each other for their survival. The first example that may come to mind is the predator–prey relationship. The predator hunts the prey for food. In this case, the prey is the loser. An ideal situation would be one where everyone benefits. This type of

Camels transporting goods on their backs. Credit: Wikimedia/ LeFnake Table of Contents Imagine living in a desert. The heat is unbearable, there is barely any water, and every step feels so much heavier on the hot sand. Not to mention, the strong, swirling winds that feel impossible to walk through,

Table of Contents What are biosensors? A biosensor is an instrument that converts reactions in the body into electrical signals. It is short for “biological sensor.” The term “biosensor” was coined by scientist K. Cammann in 1991. Biosensors are used in healthcare. Leland C. Clark was the first scientist to

Table of Contents What are fleas? Fleas are insects that suck the blood of the animal they live on. They are , since they live off of their host. In the Middle Ages, fleas were the main spreader of the bubonic plague. Fleas feed exclusively on the blood of mammals

Table of Contents What is a blood clot? A blood clot is the body’s way to stop excessive bleeding when we get hurt. It is a clump of blood cells, , and proteins that plug the wound. Once the bleeding stops and the wound heals, the clot breaks down. There

Table of Contents What happens after you die? A question we often wonder about is, “What happens after you die?” Is there an afterlife? Are we reincarnated? Or do we just simply stop existing? There are many variables, but one constant, common to most ideologies, is that death is permanent.

Table of Contents What is DNA? DNA, or deoxyribonucleic acid, is a long chain of molecules that dictates the functions of a cell. The molecules that make up DNA are called nucleotides. A nucleotide includes one of four bases: adenine (A), guanine (G), thymine (T), and cytosine (C). Nucleotides with

Table of Contents Nature is held in perfect balance. All organisms play an important role in supporting this balance. The organisms relate to each other in many ways that help them survive. These different types of relationships in nature are important to the health of ecosystems. If these relationships are

Table of Contents What is a period? A period is a process in which a female bleeds through their vagina. It is a part of the menstrual cycle. The first period is called menarche. A female gets their first period between the ages of 8 and 15. This is when