Discovery of Radioactive Decay

Discovery of Radioactive Decay

Radioactive decay Radioactive decay is the spontaneous breakdown of an atomic nucleus resulting in the release of energy and matter from the nucleus. Some elements,…
Apoptosis

Apoptosis

Apoptosis is the controlled death of a cell. It is a form of programmed cell death, or “cellular suicide”. It plays an integral part in…
Machu Picchu, Peru

Machu Picchu, Peru

“Machu Picchu” (English: /ˈmɑːtʃuː ˈpiːktʃuː/ or /ˈpiːtʃuː/, Spanish: ˈmatʃu ˈpi(k)tʃu; Quechua: Machu Pikchu [ˈmatʃʊ ˈpɪktʃʊ]), also spelled ‘Machupijchu’, site of ancient Inca ruins located about…
Atom – a Chemical Property

Atom – a Chemical Property

The atom is the basic unit of matter. An atom is the smallest unit of matter that retains all of the chemical properties of an…
Atomic Mass

Atomic Mass

An atomic mass is the mass of a single atom of a chemical element. the mass of an atom of a chemical element expressed in…
Stonehenge, U.K.

Stonehenge, U.K.

Stonehenge is a prehistoric stone circle monument, cemetery, and archaeological site in Wiltshire, England, two miles (3 km) west of Amesbury. It consists of a…
Nazca Lines, Peru

Nazca Lines, Peru

The Nazca Lines /ˈnæzkɑː/ are a collection of giant geoglyphs designs or motifs etched into the ground located in the Peruvian coastal plain about 250…
Amino Acid

Amino Acid

Amino acids are the building blocks of proteins. The term ‘amino acid’ is short for α-amino [alpha-amino] carboxylic acid. In eukaryotes, there are 20 standard…
An Antibiotic

An Antibiotic

An antibiotic (or antibacterial) is a chemical compound that kills bacteria or slows their growth. They are used to treat bacterial infections. They are used…
Antibodies

Antibodies

Antibodies (also called immunoglobulins) are large Y-shaped proteins that can stick to the surface of bacteria and viruses. They are proteins produced and secreted by…
Alpha Helix

Alpha Helix

An alpha helix (also known as, α-helix) is a type of secondary structure. It focuses on the description of how the main chain of a…
Allotropy – a Chemical Element

Allotropy – a Chemical Element

Allotropy (also known as allotropism) is when a chemical element can exist in two or more different forms in the same physical state or phase.…
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