A

• [+] Anomalous phenomena (2 C, 9 P)

B

• [+] Biological processes (7 C, 15 P)

C

• [+] Cultural trends (3 C, 5 P)

D

• [+] Destruction (18 C, 14 P)

E

• [+] Evolution (9 C, 208 P, 1 F)

G

• [+] Group processes (8 C, 79 P)

H

• [+] Hazards (7 C, 28 P)

I

• [+] Illusions (4 C, 21 P)
• [+] Industrial processes (12 C, 146 P)

L

• [+] Life (16 C, 16 P)

M

• [+] Motion (9 C, 14 P)

N

• [+] Nuclear fusion (1 C, 31 P)

P

• [+] Periodic phenomena (4 C, 10 P)
• [+] Physical phenomena (7 C, 24 P)

T

• [+] Thermodynamic processes (2 C, 16 P)