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A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li+ ions into electronically conducting solids...

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word...

A condom is a sheath-shaped barrier device used during sexual intercourse to reduce the probability of pregnancy or a sexually transmitted infection (STI)...

A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom, and the United States), or stick shift...

Meiosis (/maɪˈoʊsɪs/ ; from Ancient Greek μείωσις (meíōsis) 'lessening', (since it is a reductional division) is a special type of cell division of germ...

Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side and to the right side of...

The Border Collie is a British breed of herding dog of the collie type of medium size. It originates in the region of the Anglo-Scottish border, and descends...

Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging, using standard ultrasound...

A continuously variable transmission (CVT) is an automated transmission that can change through a continuous range of gear ratios. This contrasts with...

Laudanum is a tincture of opium containing approximately 10% powdered opium by weight (the equivalent of 1% morphine). Laudanum is prepared by dissolving...

Lotus Group (also known as Lotus Cars, and doing business as Lotus NYO in China) is a British multinational automotive manufacturer of luxury sports cars...

Toxoplasma gondii (/ˈtɒksəˌplæzmə ˈɡɒndi.aɪ, -iː/) is a parasitic protozoan (specifically an apicomplexan) that causes toxoplasmosis. Found worldwide,...

Tropicos is an online botanical database containing taxonomic information on plants, mainly from the Neotropical realm (Central, and South America). It...

A syllogism (Greek: συλλογισμός, syllogismos, 'conclusion, inference') is a kind of logical argument that applies deductive reasoning to arrive at a conclusion...

Josep Tarradellas Barcelona–El Prat Airport (IATA: BCN, ICAO: LEBL) (Catalan: Aeroport Josep Tarradellas Barcelona-El Prat, Spanish: Aeropuerto Josep Tarradellas...

Behavioural sciences is a branch of science that explore the cognitive processes within organisms and the behavioural interactions that occur between organisms...

The Hughes H-4 Hercules (commonly known as the Spruce Goose; registration NX37602) is a prototype strategic airlift flying boat designed and built by the...

In physical cosmology, Big Bang nucleosynthesis (also known as primordial nucleosynthesis, and abbreviated as BBN) is the production of nuclei other than...

Global health is the health of the populations in the worldwide context; it has been defined as "the area of study, research, and practice that places...

Sociocultural evolution, sociocultural evolutionism or social evolution are theories of sociobiology and cultural evolution that describe how societies...