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RachelRocks

@rachelrocks

Rachel likes Rocks… and Minerals …and all things Sciencey - even History thereof and Data Science. Works @NtlMuseumsScot. Views are mine but happy to share

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Latest posts by RachelRocks @rachelrocks

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Our team of knitters have been busy creating more Hutton Hats, which means we've just been able to release another batch. Here's @rachelrocks.bsky.social modelling her Hutton Hat in front of Salisbury Crags and Hutton's Section, and highlighting the Hutton's Section part of the hat 🤩

29.11.2025 13:37 👍 12 🔁 2 💬 1 📌 1

📌 📰 News feeds • PINNED POST
(Expand this thread for feed info)

23.01.2025 23:34 👍 5330 🔁 582 💬 15 📌 3
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22nd February 2025 — Montrose

22.02.2025 14:01 👍 8 🔁 2 💬 0 📌 0
Preview
Petition: Cancel Trump’s state visit Stop Trump Coalition

stoptrump.org.uk/petition-can...

02.03.2025 20:34 👍 1 🔁 1 💬 0 📌 0

Museum job! 📜 🗃️ #histSTM
National Museums Scotland, Assistant Curator, Technology - part of the truly fabulous NMS Science & Technology Department

Full time, permanent - details here: careers.nms.ac.uk/job/671171
Deadline soon: 2 March

24.02.2025 13:09 👍 41 🔁 44 💬 1 📌 0
Logo of the Common Descent Podcast, featuring a cartoon-y alligator and snake (Bask and Coil) sitting at a desk in front of a microphone and a computer monitor. Under the desk are the words "Common Descent"
Art by Rob Soto.

Logo of the Common Descent Podcast, featuring a cartoon-y alligator and snake (Bask and Coil) sitting at a desk in front of a microphone and a computer monitor. Under the desk are the words "Common Descent" Art by Rob Soto.

We're on BlueSky now!

Hello! We are Common Descent, a podcast about paleontology, evolution, and the history of life on Earth!

We release episodes every fortnight! Each one focuses on a topic requested by our audience!

commondescentpodcast.com

19.01.2025 20:03 👍 165 🔁 27 💬 6 📌 4
Photo of a small crab from NOAA’s social media. It’s covered in spikes

Photo of a small crab from NOAA’s social media. It’s covered in spikes

Just making sure that everyone is aware of this crab that NOAA scientists found

19.01.2025 13:39 👍 61935 🔁 8963 💬 2085 📌 1472

thank you for your explanation. unfortunately, i am not interested in learning. i am only here to argue

26.12.2024 18:27 👍 33 🔁 1 💬 1 📌 0
Thin section microscope image showing a background of black, white, and very pale yellow plagioclase covered in a series of long worm-shaped olivine crystals, all showing bright second order birefringence colours like yellow, purple, and blue. They are all aligned down towards the right.

Thin section microscope image showing a background of black, white, and very pale yellow plagioclase covered in a series of long worm-shaped olivine crystals, all showing bright second order birefringence colours like yellow, purple, and blue. They are all aligned down towards the right.

Probably the best individual thin section ever produced. John Faithfull's slice of the olivine cumulate from Unit 5 of the Rùm layered intrusion. #ThinSectionThursday

05.12.2024 10:12 👍 131 🔁 29 💬 6 📌 5
A large crystal of colourless quartz, mounted in a cement block, painted black. The crystal is wrapped in green and gold tinsel and a snowflake ornament is perched on top, like it is a Christmas tree.

A large crystal of colourless quartz, mounted in a cement block, painted black. The crystal is wrapped in green and gold tinsel and a snowflake ornament is perched on top, like it is a Christmas tree.

We’ve been getting into the festive spirit at NMCC

Merry Quartzmas everyone

04.12.2024 15:05 👍 7 🔁 2 💬 1 📌 0
A rubber tree plantation on the island of Hainan in China has been trashed following a cyclone. Trees are bent and several have been snapped.

A rubber tree plantation on the island of Hainan in China has been trashed following a cyclone. Trees are bent and several have been snapped.

Hurricanes cause tremendous damage to forests, whether natural or plantations, but we know very little about what actually happens to trees during high winds (for obvious reasons). In our latest work we have the answer... 🧵👇🧪🌏 1/12

29.11.2024 09:44 👍 92 🔁 27 💬 6 📌 8

Looks better than the original 🦔!

27.11.2024 19:53 👍 1 🔁 0 💬 0 📌 0
Preview
National Geographic Rock & Gemstone Advent Calendar 2024 Read reviews and buy National Geographic Rock & Gemstone Advent Calendar 2024 at Target. Choose from contactless Same Day Delivery, Drive Up and more.

@nadwgab.bsky.social @katharinehayhoe.com Y’all I found THE advent calendar. www.target.com/p/national-g...

27.11.2024 01:39 👍 4 🔁 2 💬 1 📌 0
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#Bluesky Explosion - there were ~400K followers when Trumpelon won the #election on 5/11, now over 3 million 🏃‍♀️ 🏃 🏃‍♂️

26.11.2024 20:59 👍 1 🔁 0 💬 0 📌 0

Not very. But the label is stuck on so it must be right (or wrong for a long time)

26.11.2024 20:35 👍 0 🔁 0 💬 0 📌 0

My siblings 🤗!

26.11.2024 19:21 👍 1 🔁 0 💬 0 📌 0
Two

Two

🥳 I’ve found the counterpart (L) of this landscape marble (R). Oh, it’s from the Urals, not Florence. 😑

26.11.2024 19:18 👍 3 🔁 0 💬 1 📌 0

Royal Society of London whose fellows include Prince Charles and Princess Anne (but not James Hutton or Joseph Black)…

25.11.2024 18:31 👍 3 🔁 0 💬 0 📌 0
A grey microscope image showing what looks like a mass of matchsticks. Information at the bottom shows a two-micron scale bar, details about the SEM parameters, and the logo for National Museums Scotland.

A grey microscope image showing what looks like a mass of matchsticks. Information at the bottom shows a two-micron scale bar, details about the SEM parameters, and the logo for National Museums Scotland.

SEM image of halloysite from Elgin for #MineralMonday. Halloysite is a rare polymorph of kaolinite, in which the clay sheets are rolled up into tiny tubes. These 'nanotubes' have several potential applications in catalysis and drug delivery. #MicroscopeMonday

25.11.2024 11:06 👍 17 🔁 2 💬 0 📌 0

For a number of years now, I’ve had a policy that I don’t submit to nor will I review for MPDI and Frontiers. This analysis supports that decision.

It’s no reflection on the many excellent papers and studies that have been published in them, but rather on their editorial and business practices.

25.11.2024 13:42 👍 332 🔁 73 💬 16 📌 4
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🚨PhD Opportunity: Come to Edinburgh and study ichthyosaurs with us!
Study Scottish fossils from Skye! New ones & historic specimens!
Project led by Stig Walsh, co-supervised by @davfoff.bsky.social Nick Fraser, Erin Maxwell & me.
Details👇
e4-dtp.ed.ac.uk/e5-dtp/super...

25.11.2024 15:32 👍 184 🔁 78 💬 3 📌 6

Yay my favourite account has crashed in

21.11.2024 20:24 👍 5 🔁 0 💬 0 📌 0
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Favorite specimen of today’s fossik in #NationalMuseumsScotland mineral collection. A bivalve from Iceland filled with caramel flavoured calcite crystals

02.11.2023 18:25 👍 2 🔁 1 💬 0 📌 0
Preview
We've made it much easier to reuse our data An overview of our new features: enhanced data downloads and the Chart Data API.

We've just made it much easier to reuse the data on Our World in Data.

Here is an overview of our new features: enhanced data downloads and the Chart Data API.

ourworldindata.org/easier-to-re...

21.11.2024 10:07 👍 382 🔁 106 💬 9 📌 14
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For my first #ThinsectionThursday under the blue sky, one of my favourite micrographs: A serpentine pseudomorph after carbonate?
The mineral with the grey interference colours is serpentine which apparently preserves the cleavage of a pre-existing carbonate.

21.11.2024 07:48 👍 49 🔁 13 💬 6 📌 0
A climate denial post claiming they’ve beat Katherine Hayhoe in a debate. Poor Katherine.

A climate denial post claiming they’ve beat Katherine Hayhoe in a debate. Poor Katherine.

A troll post claiming man made (oh those men) climate change is a hoax

A troll post claiming man made (oh those men) climate change is a hoax

Another troll using wealthy lifestyles as an excuse to deny the science and claim it’s a grift. Reminds me of the man who accused me of taking my “private jet” to a COP meeting … one of only 3 I’ve ever attended, and to get there I flew EasyJet.

Another troll using wealthy lifestyles as an excuse to deny the science and claim it’s a grift. Reminds me of the man who accused me of taking my “private jet” to a COP meeting … one of only 3 I’ve ever attended, and to get there I flew EasyJet.

As Bluesky picks up, you’ll be seeing more and more of these posts.

When you do, don’t engage: rather, send them to @climatebrad.hillheat.com so he can add them to his moderation list, then report and block.

21.11.2024 19:09 👍 575 🔁 165 💬 36 📌 11
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Quite a remarkable series of photos from Oldoinyo Lengai 🌋 doi.org/10.1016/j.li... ⚒️

24.01.2024 02:49 👍 25 🔁 8 💬 1 📌 2
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Taking Hydrology & Geomorphology students to Chepstow Castle next weekend! On the one hand, the oldest tower of the castle on the cliff overlooking the Wye River has stood for nearly 1,000 years. On the other hand, who builds a castle on a cut bank?!?

24.01.2024 18:58 👍 5 🔁 3 💬 1 📌 0
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Amazing interactive poster on the evolution of land plants #WaterToLand
follow the link and click in it! 🖱️
madland.science/greening.php

02.01.2024 14:34 👍 90 🔁 47 💬 1 📌 7
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2022 marks start of a new Era for glacier mass loss in the Alps! 🔥
Thinning took place through the entire elevation range of glaciers, up to the Mont-Blanc summit! 🥵
Above 3000m, losses exceeded 3.5m while almost no change occurred during previous 9 yrs!
doi.org/10.1017/jog....

14.12.2023 12:28 👍 5 🔁 1 💬 0 📌 0