Physics
The third alphabet in arguably Einstein's most famous equation stands for this quantity.
What is Speed of Light in?
Acids turn a Universal Indicator red, Bases turn it Blue, and a Neutral substance turns it into this colour.
What is Green?
Humans have just one oesophagus to ingest and transport food and water, while plants have these two different tubes for both.
What are Xylem and Phloem?
In medieval times, it was widely believed that this "bad air" propagating through the air caused diseases.
What is miasma?
Sharing its name with a physical quantity used to measure the strength of materials, this economic concept is defined as the ratio of change in demand to the change in price of a product.
What is elasticity?
Apart from these three most common systems used to measure a quantity, you may also use the Delisle, Réaumur, and Rankine ones.
What are Celsius, Fahrenheit and Kelvin Scales?
Ever wondered why ice floats on water? It's due to this type of inter-molecular interaction with an elemental name.
What is Hydrogen Bonding?
A recurring astronomical phenomenon featuring this object is also the source of the Orionid meteor showers.
What is Halley's Comet?
This longest muscle in the human body is etymologically cognate with a term that refers to one's dressing sense.
What is the Sartorius muscle?
A founder of virtue ethics, Philippa Foot invented this thought experiment that is the subject of numerous iterations in the comedy series "The Good Place".
What is the Trolley problem?
A method of solving problems of classical mechanics utilizes this eponymous operator named after an Italian-French mathematician and Astronomer.
What is the Lagrangian?
Hennig Brand, a 17th century alchemist, painfully boiled copious amounts of his own urine en route to accidentally isolating this chemical element.
What is Phosphorus?
Alfred Wegener posited this two-word hypothesis (that names the fourth installment in a movie franchise) in 1912 that further lead to the study of plate tectonics.
What is Continental Drift?
Luc Montagnier, who passed away earlier this year, shared a Nobel Prize in Medicine with Françoise Barré -Sinoussi for discovering this virus.
What is HIV/Human Immunodeficiency Virus?
This "Subaltern" postcolonial scholar is also known for their translation of Jacques Derrida's De la grammatologie.
Who is Gayatri Spivak?
This physicist known for his unified electroweak interaction theory in particle physics was the first Pakistani Nobel Laureate.
Who is Abdus Salam?
Three men can lay claim to the discovery of Oxygen: Joseph Priestley, Antoine Lavoisier and this Swedish German chemist who also has a pigment to his name.
Who is Carl Wilhelm Scheele?
Throughout history, explorers and seafarers have shied away from sailing around the Cape Horn due to these notorious winds.
What are williwaw winds?
This word could refer to a set of three bones in the human foot or an ancient writing system employed for the Sumerian language.
What is cuneiform?
This two-word legal term referring to an assertion given weight without proof comes from the Latin for "he himself said it".
What is ipse dixit?
This polymath of the Islamic Golden Age first showed that light is not emitted, but rather intercepted by the eye off of luminous sources.
Who is Ibn al-Haytham/Alhazen?
Alexander Borodin, one of the Mighty Five Russian composers, co-discovered this reaction in organic chemistry which combines two common class of compounds, for example: ethanal and ethanol.
What is Aldol Condensation/Reaction?
This geographer, who was once believed to be Stalin's father, gives his name to a species of feral equids in the Central Asian Steppes.
Who is Nikolay Przhevalsky/Przewalski?
When stationed in India, this pioneer of the plague vaccine found himself in a spot of bother when he was indicted for the "Little Dreyfus Affair" due to his Jewish heritage.
Who is Waldemar Haffkine?
Apart from his contributions to Calculus, Gottfried Leibniz conjectured that the presence of an infinite number of these small substances made up the universe.
What are Monads?