11.1.
11.2.
11.3.
11.4.
11.5.
11.6.
11.7.
12.1.
12.2.
12.3.
12.4.
13.1.
13.2.
Bacterial flagella
Phototropism in a Phycomyces sporangiophore
Café wall illusion
Electromagnetic spectrum
Flower patterns in visible and ultraviolet light
Skylight polarization pattern
Earth’s magnetic field
Olfactory receptor cells
Alembic (alchemical still)
Black pepper, Piper nigrum
Durians for sale
Taste bud
Neural taste pathways in human brain
13.3. Chili plant, Capsicum annuum
14.1. Cross section of the human eyeball
14.2. Response of human rod and cone cells to visible light
wavelengths
14.3.
14.4.
14.5.
14.6.
14.7.
14.8.
15.1.
15.2.
15.3.
15.4.
15.5.
Distribution of cones and rods in the human retina
Diagram of rod cell and cone cell
Diagram of a rhodopsin molecule in a lipid bilayer membrane
Cell layers in vertebrate retina
Location of the lateral geniculate nuclei
Visual areas in the posterior cerebral cortex
Bell vibrating after a clapper strikes it
Sound shown as a sine wave
Sine waves with lower and higher frequencies
Sine waves with higher and lower amplitudes
Complex sinusoidal waveform