Author
David Ann
30 titles available
Why Does Wind Blow?
Why Can We See Better When We Blink?
Secret of Light, Life, and Beautiful Colors
How Did Plants Survive?
Various Light Scattering
Plants and Animals Help Each Other
Why Do Leaves Change Color in Fall?
Pythagoras' Heavenly Garden and the World of Dense Rational Numbers
Creating Different Motifs with Natural Materials
Utilizing Patterns Within Solid Figures That Make up Nature
Forming a Pattern with Different Shapes in Nature
Understanding and Utilizing Platonic Solids That Make up the Universe
Understanding and Utilizing Various Plane Figures
Various Ways of Utilizing Patterns Within Plane Figures
Exploring the Diverse and Beautiful Forms in Nature
Various Motifs Found in Nature
Mutual Relationships of Points, Lines, and Planes in Nature
Touching, Unfolding, and Cutting Objects in Nature
Beauty of Patterns and Symmetry Within Basic Figures
What Are the Features of Concave Eyes?
How Do Animals Give Birth and Raise Their Babies?
Role of Our Brain in Reading Visual Information Through the Eyes
Skin Decides the Life and Death of Animals
How Was the Universe Born?
Plants That Silently Rule the World
How Do Skins Work for Amphibians and Reptiles?
Plants Are Very Powerful
Animal Instincts Are Natural Survival Senses
Why Does It Snow?
Nature As the Stage of Life and Death
About David Ann
Free ebooks by David Ann available for download.