
Who invented PCR
Polymerase Chain Reaction (PCR) The polymerase chain reaction, or PCR, is a method used in molecular biology and genetics laboratories to amplify specific regions of DNA. The ability...
Inventions and Inventors
Polymerase Chain Reaction (PCR) The polymerase chain reaction, or PCR, is a method used in molecular biology and genetics laboratories to amplify specific regions of DNA. The ability...
Where Is The Troposphere Located? The troposphere, the first layer above Earth’s surface, comprises approximately half the Earth’s atmosphere. It begins at sea level and extends five to nine miles in...
What is the Thermosphere? Research on the atmosphere began in the ancient world. The fifth-century Greek philosopherEmpedocles tried to explain the different elements (earth, air, fire and water)...
Hypatia, Hildegard of Bingen, Caroline Herschel, and Ada Lovelace Brief profiles of early women scientists involved in various male-dominated fields. Early women scientists have been...
Gamow, & Early Attempts to Understand the Origin of the Universe George Gamow was an early advocate of the big bang theory for the origin...
A Humbling Vision of the Earth A single photograph of the Earth, taken from a vast distance, gave a new view of the planet and...
Psychometry: Definition, History and Uses Psychometry is a psychic skill in which a person can sense information about the owner of an object by holding...
Origins of Speculative Thought He was an astronomer, an engineer, a speculative thinker, and one of the earliest of Greek philosophers, whose names remains synonymous...
Great Swiss Mathematician and Physicist Euler produced more work and of high quality than any other mathematician in history. His contemporaries dubbed him “Analysis Incarnate.”...
Greek Mathematician Regarded Father of Geometry Brief account of Euclid’s work in relation to geometry and the key postulates from his famous book the Elements....