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Sickening Yet Beautiful ( (おぞ) ましくも (うつく) しく Ozomashiku mo Utsukushiku) is the one hundred and eightieth chapter of the Dr. Stone manga.


The chapter begins with the Kingdom of Science racing across the Amazon rainforest on their amphibious motorcycles. Stanley, in the plane, comments that had they not made it to the forest, the game would have been too easy. It turns out the only reason the American Colony rushed to finish the plane and allowed the Kingdom to overhear was so that they'd rush and leave a clear trail for them to follow.

In the rainforest, Chrome and Taiju celebrate outrunning Stanley, but Ukyo points out that the rainforest isn't exactly safe. Senku adds on to this, dramatically telling everyone that they're ten billion percent sure to die. To combat the bloodsucking bugs, Senku whips up sets of rubber boots for everyone. They continue on their path on foot, foraging and hunting for food. Dr. Xeno burns various plants to keep the bugs away.

Senku gives a pop quiz to the others, asking them what the most dangerous thing in the rainforest is. Taiju responds Tsukasa, which Kohaku agrees with. Tsukasa, with his mouth full, insists he's not and points out the true king: army ants. Luna is horrified. Chelsea proceeds to catch several of them in a jar, taking the 'army ant extract' and diluting it to make a sort of bug spray. The formula should be able to deter anything that would normally avoid army ants, which would be most things.

Petrification Pyramid

The pyramid of petrification.

The team continue travelling and reach the Amazon river, building a water slide and several rafts to traverse it. On the way there, Chrome considers a device to puff the army ant extract into the air at set intervals for convenience. This reminds him of the timed Petrification Weapons, making him exclaim his new idea to Senku. The concept is to rig a constant, timed drip of Revival Fluid onto the person to avoid petrification. However, Senku asks him to consider what Why-man would do, and Tsukasa replies that he'd most likely use a multi-stage attack, firing the device several times. Gen wonders out loud if there might be multiple devices at the origin of the beam, prompting Senku to get excited.

A short time later, Suika finds a single device in the shallow waters they're wading through. Chrome tells her she's lucky, since there was a chance it would be very difficult to find. Kohaku tells them she might not be so lucky and to look up, revealing a huge stepped pyramid of the devices.

Characters in Order of Appearance[]

Chapter Notes[]

  • Senku reveals it’s been four months, since the Perseus left Japan.
  • It is now the year 5742.
  • The Kingdom of Science enters the Amazon rainforest.
  • Rubber boots are made.
  • Army ant bug spray is made.
  • Chrome considers crafting a timed revival fluid device to prevent petrification.
  • A stepped pyramid of petrification devices is found.


  • On page 1, Stanley's petrification marks are missing.
  • Xeno's knowledge is not limited to physics and chemistry, and includes some biology as well as he seems to be familiar with the plants needed to keep the bugs away.

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Volume 1 1234567Extras
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Volume 27 Terraforming4D Science: 14D Science: 24D Science: 3
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Story Arcs
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 20212223242526272829303132333435
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Episodes 35Ryusui3637383940
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
Episodes 4142434445464748495051525354
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169
Episodes 555657
South America Arc
Chapters 170171172173174175176177178179180181182183184185186187188189190191192193
New Stone World Arc
Chapters 194195196197198199200
Globetrotting Arc
Chapters 201202203204205206207208209210211212
Stone to Space Saga
Moon Mission Arc
Chapters 213214215216217218219220221222223224225226227228229230231232