Science

“Fairy Circles” (arid grass formation) are circular patches of land barren of plants, varying between 2 and 15 meters (7 and 49 ft) in diameter,…

A heterotroph is an organism requiring organic compounds for its principal source of food. It is an organism that requires organic substrates to get its…

The half-life of an Element The half-life of a substance is the time it takes for half of the substance to decay. The term half-life…

The halogens are chemical elements under the second-to-right column in the periodic table, also known as Group 17. The elements in the group are fluorine,…

The Great Blue Hole, also known as the Belize Blue Hole is a giant marine sinkhole off the coast of Belize. It lies near the…

Hemoglobin (or haemoglobin) is a protein in red blood cells that contains iron. It is used to transport oxygen around the human body. Hemoglobin is…

Electron transfer chains (ETC) are the cellular mechanisms used for getting energy from sunlight in photosynthesis. It is the last component of aerobic respiration and…

The Krebs cycle (named after Hans Krebs) is a part of cellular respiration. Its other names are the citric acidity cycle, and the tricarboxylic acid…

The miracle fruit is the berry of Synsepalum dulcificum, a plant from West Africa. The chemical produced by the fruit makes other foods taste sweet.…

The gradient measures how steep a curve is. Gradient (Slope) of a Straight Line. On a graph of the function, it is the slope of the…

A glycoprotein is a big molecule. It is composed of a protein and a carbohydrate (which is usually a sugar-like substance). They are simply proteins…

The Door to Hell or Gates of Hell, actually known as the Darvaza Gas Crater (Turkmen: Garagum ýalkymy), is a natural gas field that collapsed…