Author
David Ann
30 titles available
What Is the Principle Behind Wireless Communication?
Why Do Fingers and Toes Get Wrinkly in Water?
What Are the Conditions for the Rise of Civilization?
Structure and Function of the Tongue
How Were Fossils Formed?
Special Defense Systems of Plants
We Crave Sour and Umami Tastes
Fish Suffer from Noise Pollution
How Did Ancient People Use Meteorites to Make Iron?
Why Do Objects Attract Each Other?
How Did Mathematics Open the Door to Civilization?
Skin Has Various Sensory Receptors
How Do the Skins of Amphibians and Reptiles Work?
Why Did Humanity Create Written Language?
How Did People Use Ancient Maya Numbers?
Carbohydrates Are Fuel for Our Bodies
How Did Plants Survive?
How Did Symbols Replace Numbers?
Animals That See the World by Smell
Nightingale's Rose Diagram
What Are the Errors and Traps Hidden in Statistics?
What Are Figurate Numbers?
How Does Chaos Work?
What Are the Conditions for Civilization to Develop?
Why Did Navigation Become Necessary?
Gravity Causes Chaos in the Universe
Role of Our Brain in Reading Visual Information Through the Eyes
Digital Culture Brought by the Advancement of Cameras
How Did the Potato Turn the United States into a Superpower?
What Is the Biochemical Structure of Proteins?
About David Ann
Free ebooks by David Ann available for download.