Artist: System of a Down 
Song: Science 
Album: Toxicity
Tuning CGCFAD
 100% I’ve got the tab book
< >: natural harmonic
 pm: palm mute
  : slide down
 x : dead note
 ~ : vibrato
 h : hammer on

INTRO

D|---------------------------------|
A|---------------------------------|
F|-<7>-----------------------------| 2x
C|---------------------------------|
G|-----5-5-555-5-5-555-5-5-555-5-5-|
C|---------------------------------|
      pm.........................]

D|---------------------------------|
A|---------------------------------|
F|-<7>-------------<7>-------------|
C|---------------------------------|
G|-----5-5-555-5-5-----5-5-555-5-5-|
C|---------------------------------|
      pm.........]    ...........]

D|-----------------------------------|
A|-----------------------------------|
F|-<7>-----<7>-----<7>-----<7>-------|
C|------------------------------5-7--|
G|-----5-5-----5-5-----5-5------5-5--|
C|-----------------------------------|
      pm.     pm.     pm.     


Riff 1/Chorus
D|-----------------    D| ------------------|
A|-----------------    A| ------------------|
F|-7--------------- 3X F| ------------------|
C|-5---------------    C| ------------------|
G|-5---0-0-0-0-0-0-    G| -------7-8-10-8-7-|
C|-----0-0-0-0-0-0-    C| -8--10------------|
      pm........]


Verse
D|--------------------------------|
A|--------------------------------|
F|--------------------------------| 2X
C|--------------------------------|
G|-6--5-5-555-5-5-555-5-5-555-5-5-|
C|--------------------------------|
     pm........................]

D|--------------------------------|
A|--------------------------------|
F|--------------------------------| 
C|--------------------------------|
G|--6--5-5-555-5-5--6--5-5-555-5-5|
C|--------------------------------|
      pm.........]    ...........]

D|-------------------------------------|
A|-------------------------------------|
F|---------------------------------<7>-|
C|-------------------------------------| Then repeat intro
G|--6--5-5--6--5-5--6--5-5--6--5-5-----|
C|-------------------------------------|
      pm.     pm.     pm.     pm.



Riff 1/Chorus 2X 

Verse 2: Play the first bar of the verse, then play the intro

Riff 1/Chorus 2X

Bridge 1

(let chords ring)
D|------------------------------------------------|
A|------------------------------------------------|
F|------------------------------------------------|
C|-0---------2---------3------/-------------------|
G|-0---------2---------3------/--------7-8-10-8-7-|
C|-0---------2---------3------/--8--10------------|


Interlude ( Arranged for 3 guitars, One plays the chords p.m with distortion, the other plays the notes all p.m and clean, the 3rd plays something similar to the notes but lower sounding so I won’t include it)

D|-------3-5-----5-6--------5-6-8-6-5-6--------|
A|---3-3-------3----------3--------------------|
F|---------------------------------------------| 3X
C|-0--------0---------0------------------------|
G|-0--------0---------0------------------------|
C|-0--------0---------0------------------------|

(acoustic but you can get away with it in the clean tone, If anyone wants the weird sounding flute arranged for guitar let me know)

D|-------------------------------|
A|---6--6-8~~--6~~-5~~-5-5-6-5---|
F|---5-------------------------5-|
C|---0---------------------------|
G|-------------------------------|
C|-------------------------------|

D|---3--3-5--5-6--3-5---5---5-5-----|
A|---3------------------------------|
F|---2------------------------------| 3X then play the part above it once
C|----------------------------------|
G|----------------------------------|
C|----------------------------------|

D|-------5--5-6----5----5--5-6----5----5--5-6----5--5-5---5---|
A|-----8---------8--------------8--------------8--------------|
F|------------------------------------------------------------| 
C|------------------------------------------------------------|  
G|----------------------------------------------------------6-|
C|------------------------------------------------------------|

Shortened Verse

Bridge 2 (2x)

D|-----------------------------------------------------------------------|
A|-----------------------------------------------------------------------|
F|-----------------------------------------------------------------------|
C|----------------------------------------------------------------------0|
G|-5-555-555-555-55-7-777-777-777-77-8--888-888-888-88------7-8-10-8-7--0|
C|-----------------------------------------------------8-10-------------0|
    pm...........]   .............]    .............]

Bridge 1 2X 

then end on  
D|--------|
A|--------|
F|--------| 
C|--0-----|  
G|--0-----|
C|--0-----|