1 - 20 of 1,901 Bookmarked Items in For Science!
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“Personally, I like to pass out as soon as my head hits the pillow,” Trinity said, unfazed. Her gaze narrowed to Samira, mischief dancing in her eyes. “But I know some people like to cuddle.”
“You a cuddler, Dr. Mohan?” Ellis’ voice teased.
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the one where dr. samira mohan and dr. emery walsh, both incredibly sleep deprived, decide to join forces to help each other sleep. for science. it goes as well as you'd expect.-
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How to screw an alien by bleeding_hydnellum
Fandoms: Project Hail Mary - Andy Weir, Project Hail Mary (2026)
31 Mar 2026
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Rocky realizes he is in love with Ryland, and after confessing he learns a lot about how Ryland's biology works.
Later, Ryland visits Erid and Adrian learns about Ryland's biology.- Language:
- English
- Words:
- 24,672
- Chapters:
- 3/3
- Comments:
- 466
- Kudos:
- 8,737
- Bookmarks:
- 1,158
- Hits:
- 97,780
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alien threesome!!!
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Magnificat by adverbian
Fandoms: Project Hail Mary - Andy Weir, Project Hail Mary (2026)
15 Apr 2026
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The inherent eroticism of being perceived with curiosity and without judgment. Or, what if you were on your way to Tau Ceti e to save the world, and your alien best friend watched you get off for science, and then you learned some interesting xenoanthropological facts about Eridian mating customs? Well, it happened to my buddy Ryland Grace.
"You can see?" I whisper.
"I hear." Rocky matches my quiet tone. "I hear everything."
And that's interesting, because those words fuse white-hot with my pulse, and earth themselves with a thump between my legs, and all of a sudden I'm not soft anymore.
Okay. Yeah. We're way past being shy.
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That weight that dragged you down, it has been made light by cloudberryyy for macs_paperclips
Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir, The Fall Guy (2024)
11 May 2026
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Colt thought he was stopping by to annoy his twin brother at work.
He did not expect to discover that Ryland Grace is actually a really good teacher. He definitely did not expect to become part of an seventh-grade physics lesson about momentum, impact, and why bodies need more time to survive a fall.
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Bookmark Notes:
So beautiful so sad I love love love that colt is so observant!!!
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The Three Witches' War by Jerkus
Fandom 機動戦士ガンダム 水星の魔女 | Mobile Suit Gundam: The Witch from Mercury (Anime)
28 Apr 2026
Summary
Stories from the sidelines of Asticassia, culminating into a diverging timeline, where war rages and unrelenting tenderness alone may not be enough.
- Words:
- 675,562
- Works:
- 4
- Bookmarks:
- 33
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Bookmark Notes:
wait ive bookmarked everything here individually but not the series
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"But Grace have sex in crew quarters sometimes."
"That's not— you shouldn't—" Grace shakes his head. He knows Rocky doesn't mean to make him uncomfortable. Heck, Grace's biggest problem at the moment is that the knowledge of Rocky watching him doesn't make him uncomfortable. Not in the way it probably should. "It's not really sex. Since I'm by myself when I…" he trails off and hopes that's the end of it.
"Rocky is here when Grace have not-sex."
"No, I mean—" Grace sighs and tries not to pull out his hair. "It's only me. Touching myself. You don't touch me."
Rocky sinks back on his hind legs and goes quiet in a way that Grace recognizes as careful thought. Stony fingers click together and drum against the aluminum composite flooring. When Rocky speaks next Grace nearly falls off his stool.
"Grace let Rocky touch, question?"
- Language:
- English
- Words:
- 9,381
- Chapters:
- 3/3
- Collections:
- 1
- Comments:
- 204
- Kudos:
- 4,730
- Bookmarks:
- 682
- Hits:
- 60,748
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Light-Permeable Solid by voidknight
Fandoms: Project Hail Mary - Andy Weir, Project Hail Mary (2026)
20 Apr 2026
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How do you explain sexual arousal to a guy whose species doesn't experience it? Whatever the case, Ryland Grace is definitely not the right person for the job.
Unfortunately, a hands-on demonstration might be in order.
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subspace tests out aphrodisiacs on you for testing then wont let you finish 💔 tagging might be bad sorry
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Like a Flower Growing in Darkness by Wyste
Fandoms: The Avengers (Marvel Movies), Batman - All Media Types, Thor (Movies)
20 Jul 2015
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So there's a fanfic trope in Avengers fandom where you ship Darcy with everyone, the unlikelier the better. Soulmate AU, the first words you say to each other are written on your skin somewhere. This is fandom-Darcy, not necessarily canon-Darcy.
In which Darcy Lewis threatens to tase Bruce Wayne over a shrimp platter, and they are both surprised by the results.
- Language:
- English
- Words:
- 17,650
- Chapters:
- 26/26
- Collections:
- 2
- Comments:
- 627
- Kudos:
- 7,662
- Bookmarks:
- 1,683
- Hits:
- 97,084
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Observational Thrum for Interspecific Reproduction: Eridian and Human Copulation by lucanidsoap for Emzilla97
Fandoms: Project Hail Mary - Andy Weir, Project Hail Mary (2026)
26 May 2026
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Scarab is seated in the observational room with several other thrumming scientists. They shift uncomfortably at the scene commencing before them. The Savior of Stars lies on an Acoustic Reverberance Platform across a barrier of clear xenonite. The Savior, known as ‘Dr. Ryland Grace’, is currently… expressing intimacy… with the Survivor. ‘Rocky’, as the Savior calls them. Observing feels blasphemous.
Or: Ryland Grace and Rocky demonstrate how Eridians and humans copulate for a biological research thrum.
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The Problem Universe by Wyste
Fandom Harry Potter - J. K. Rowling, Harry Potter and the Cursed Child - Thorne & Rowling
30 Apr 2019
- Words:
- 222,341
- Works:
- 4
- Bookmarks:
- 2,448
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A month and a half into the time Obi-Wan Kenobi (sometimes called Ben Ohnaka), spends with the Mandalorians, and an incident has occurred. Or if you will, a cascading series of events have occurred in quick succession that will leave our protagonist in a delicate and difficult situation. Can Obi-Wan pull through? Is Jaster the man he thought he was?
Is it actually time for our little pirate prince to cut and run?
Series
- Part 3 of (You're Welcome!)
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Bookmark Notes:
Ch 3
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“Yeah,” Enid takes a deep breath, staring at the pen balanced between Wednesday’s fingers. “Except, I’d really like it if you could test it for me.”
Wednesday’s hand stills; even the regular sound of her breathing disappears. “…Excuse me?”
“Um…I’d like for you to test it? My hypothesis?” Enid’s voice climbs higher and higher. “In a totally non-personal, scientific method kind of way?”
This time, Wednesday pushes the desk back to the wall before turning to face Enid entirely. “Did you just propose that we have sex?”
“For science!” Enid bleats. “To test my theory about my sluttiness! This is a personal growth experiment, Wednesday. As my best friend, I thought you might be interested in sharing that.”
Series
- Part 2 of In the Heat of the Moment-Verse
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The Mug Was Foreshadowing by dreamlandhunter
Fandoms: Marvel Cinematic Universe, Thor (Movies), Iron Man (Movies)
10 Jun 2026
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Darcy Lewis has always known three things about her father.
One, he was rich.
Two, her mother told him she was pregnant.
Three, he paid her a truly obscene amount of money to disappear.
Twenty-six years later, Darcy has a trust fund, a surname that isn’t his, and absolutely no interest in unpacking any of that.
After New Mexico, Norway, London, gods, elves, and Jane Foster’s general inability to stay away from cosmic bullshit, Darcy has decided that living in Stark Tower is honestly not that weird.
Neither is bringing Tony Stark coffee in a mug that says Capitalist Sr.
That’s just funny.
At least until Thor starts asking questions.
And apparently she can add another fact to the list: Darcy has been living in her father’s tower for weeks.
And nobody thought to tell either of them.
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Bookmark Notes:
ch 3
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biology class by spectacularorange
Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir
28 May 2026
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on the trip to erid, rocky gets bored and asks grace for an in-depth lesson about human anatomy and reproduction.
grace didn’t expect to end up naked in front of rocky.
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Bookmark Notes:
Neato
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Fucking astrophage condom I'm crying
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the ideal husband by cinnamonsalt
Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir
22 Apr 2026
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Summary
“...nope.” Grace pulled the quilt farther up on his shuddering body, then turned his back to him. “Nope- oh, no, no, absolutely not. Nope.”
“For sci-encee,” Rocky whined, actually whined, practically pawing at the edge of the bed, and Grace whipped back to face him, eyes squinted in the dark.
“I don't buy that, Rock.” Rocky wilted with the sentiment. God, he was pushy- and if Eridians could evolve to have puppy dog eyes, Grace was convinced Rocky would be at the forefront of that development. “Not for a second. Y’know, you’ve been-”
“How will Rocky possibly know how to please, if no?”
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Doctor Ryland Grace feels as if he's being hunted. Rocky is very aware of Doctor Ryland Grace's feelings.
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The first time as tragedy, the second time as farce. by Dissenter
Fandoms: Naruto, Katekyou Hitman Reborn!
19 Apr 2023
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Tsuna and his guardians died in a blaze of glory. Then they woke up, slowly, one at a time, in a different world that was the same in all the ways that really mattered.
Or the one where Tsuna and his guardians are reincarnated into the class below the Konoha rookie nine.- Language:
- English
- Words:
- 37,849
- Chapters:
- 34/?
- Collections:
- 28
- Comments:
- 1,775
- Kudos:
- 8,782
- Bookmarks:
- 3,032
- Hits:
- 179,732
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Bookmark Notes:
ch25
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Bookmark Notes:
If you read this you definitly need to know/watch Hitman Reborn ch34 current
Jumps around a little too much
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Dr. Grace's Coital Lecture Series by lucanidsoap
Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir
07 Jun 2026
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A part of him regrets agreeing to Rocky's conditions. He propositioned him in such a mischievous tone. "Grace, I have an idea. Something we could incorporate into our next sexual encounter." Nothing could've prepared him for what came next. "What if I fucked you while you explained science to me."
Ch.1: The Citric Acid Cycle
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Bookmark Notes:
actually a decent explanation 🙃
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Bookmark Notes:
2 🥹
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Summary
Ever since she’d been small, Hermione’s reward for good marks had been a rampage through a bookshop, so the day she tore open her O.W.L.s results and triumphantly brandished the eleven Outstandings, her beaming mother said, “We’ll go to Foyles tomorrow,” without any discussion required.
Series
- Part 13 of Harry Potter works
- Language:
- English
- Words:
- 36,337
- Chapters:
- 1/1
- Comments:
- 534
- Kudos:
- 4,208
- Bookmarks:
- 1,275
- Hits:
- 35,872
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Bookmark Notes:
Hilarious, wonderful, and makes Hermione the amazingly clever hero we all know she is. Also, Draco helps, and Harry is a Good Friend.
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Bookmark Notes:
Ever since she’d been small, Hermione’s reward for good marks had been a rampage through a bookshop, so the day she tore open her O.W.L.s results and triumphantly brandished the eleven Outstandings, her beaming mother said, “We’ll go to Foyles tomorrow,” without any discussion required.
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Hanji’s Field Journal: Calculating Rebound Rate of Currency on the Surface of Commander Smith’s Gluteal Muscles (With Annotations by Captain Levi) by tropicsbear
Fandoms: Shingeki no Kyojin | Attack on Titan
12 May 2014
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Summary
Hanji attempts to scientifically quantify just how firm Erwin’s butt is.
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Bookmark Notes:
lol, fun
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Hanji’s Field Journal: Calculating Rebound Rate of Currency on the Surface of Commander Smith’s Gluteal Muscles (With Annotations by Captain Levi)
tropicsbear
Summary:
Hanji attempts to scientifically quantify just how firm Erwin’s butt is. -
Bookmark Notes:
lol i love u hange