The Upright Thinkers audiobook cover - The Human Journey from Living in Trees to Understanding the Cosmos

The Upright Thinkers

The Human Journey from Living in Trees to Understanding the Cosmos

Leonard Mlodinow

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The Upright Thinkers
Origins of Scientific Thinking+
Foundations of Knowledge+
Rational Inquiry (Ancient Greece)+
Classical Physics+
Evolution of Chemistry+
Advancement of Biology+
The Atomic Era+
Quantum Theory+

Quiz — Test Your Understanding

Question 1 of 9
What was a primary advantage of early human cohabitation that laid the foundation for scientific thinking?
  • A. It allowed humans to domesticate wild predators for protection.
  • B. It enabled the pooling of knowledge, distribution of labor, and eventually the creation of schools.
  • C. It led to the immediate invention of writing systems to record religious texts.
  • D. It forced humans to abandon tool-making in favor of agricultural pursuits.
Question 2 of 9
Why did early humans initially develop reading and writing systems around 3000 BCE?
  • A. To write down philosophical treatises and epic poetry.
  • B. To standardize and document shared knowledge so it could be preserved and transported.
  • C. To communicate with neighboring communities during times of war.
  • D. To record the complex mathematical equations needed for building pyramids.
Question 3 of 9
What major shift in thinking made the ancient Greeks crucial to the development of early science?
  • A. They were the first to invent a standardized system of algebra and calculus.
  • B. They began questioning the belief that gods were responsible for natural phenomena, favoring rational inquiry.
  • C. They discovered how to use the scientific method to turn base metals into gold.
  • D. They proved that the Earth revolved around the sun using advanced optical instruments.
Question 4 of 9
How did Galileo Galilei significantly advance the scientific method during his era?
  • A. By using abstraction to expand upon experimental results and make predictions about phenomena he couldn't measure directly.
  • B. By discovering the law of universal gravitation after observing an apple fall from a tree.
  • C. By inventing the first microscope to observe the random movement of atomic particles.
  • D. By relying completely on the theoretical generalized observations of ancient Greek philosophers.
Question 5 of 9
Before becoming a rigorous science, early chemistry was primarily practiced as a craft. Which of the following was an early application of this craft?
  • A. Creating early vaccines to protect livestock from disease.
  • B. Mummification and the alchemical attempt to turn base substances into gold.
  • C. Developing synthetic fertilizers for large-scale agriculture.
  • D. Extracting pure oxygen from heated mercuric oxide.
Question 6 of 9
What earlier biological theory did the invention of the microscope and the later work of Charles Darwin help to disprove?
  • A. Natural selection
  • B. Random variation
  • C. Spontaneous generation
  • D. Genetic mutation
Question 7 of 9
How did Albert Einstein help prove the existence of atoms in 1905?
  • A. By splitting the atom using a rudimentary particle accelerator.
  • B. By observing the seemingly random movements of pollen dust in water.
  • C. By firing radioactive particles through a sheet of gold foil.
  • D. By measuring the exact speed of light in a vacuum.
Question 8 of 9
What flaw did Niels Bohr identify in Ernest Rutherford's model of the atom?
  • A. It incorrectly placed the heavy nucleus on the outside of the atom.
  • B. It failed to account for the interaction between orbiting electrons, which would disrupt their orbit.
  • C. It assumed that electrons were positively charged rather than negatively charged.
  • D. It did not explain the existence of photons within the central nucleus.
Question 9 of 9
Why did Erwin Schrödinger develop a new system for applying quantum physics?
  • A. To prove that Werner Heisenberg's spectral data was mathematically incorrect.
  • B. To make quantum theory more approachable by using familiar Newtonian-like notations.
  • C. To explain the biological mutations observed in Darwin's finches.
  • D. To measure the exact position and speed of an electron simultaneously.

The Upright Thinkers — Full Chapter Overview

The Upright Thinkers Summary & Overview

The Upright Thinkers (2015) takes you through the fascinating evolution of science, tracing the footsteps and influence of major figures along the way – from Galileo to Einstein to Heisenberg. These blinks will start with a trip back in time to the first moments humans learned to control fire, and will leave you with a brief summary of quantum mechanics.

Who Should Listen to The Upright Thinkers?

  • Science geeks
  • Anyone who enjoyed science class but wants to refresh their memory
  • Students interested in the history of the natural sciences

About the Author: Leonard Mlodinow

Leonard Mlodinow, PhD, is an American physicist, author and a leading researcher in the field of quantum theory. He has written books alongside colleagues such as Stephen Hawking, and is the author of The Drunkard's Walk: How Randomness Rules Our Lives, which was a New York Times notable book of the year and one of Amazon’s choices for best science book of 2008.

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