Anthea A
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anivathea.bsky.social
Anthea A
@anivathea.bsky.social
100 followers 96 following 0 posts
PhD candidate inevitably excitedly by forams, biomineralisation, solute ions, carbonate formation, structure, isotopes, crystallisation & def. synchrotrons // MPIC/ETH Zurich
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Reposted by Anthea A
obialik.bsky.social
Let's make something incredibly clear - measuring things is hard!
Measuring things consistently in one lab is difficult; consistency across multiple labs is an ongoing challenge.
This is why we do intercomparison even for something as foundational as pH. 🧪🌊

➡️ www.sciencedirect.com/science/arti...
Differences between the pH values (25 °C; total scale) reported by the participating laboratories and the assigned values for the test samples (Table 1 in the paper). The open circles indicate the average difference for Batch A, the corresponding black lines the range of such differences; the filled gray circles indicate the average difference for Batch B, the corresponding gray lines the range. The laboratories grouped in panel (a) used spectrophotometric techniques to measure pH; those grouped in panel (b) used electrometric techniques.
May 16, 2025 at 2:07 PM
Reposted by Anthea A
thefosterlab.bsky.social
Biominerals play a central role in Earth's past, present and future climate, but there are major gaps in our understanding of how they form. In this chapter, led by @oscarbranson.bsky.social, we show how the geochemistry of CaCO3 biominerals can fill these gaps tinyurl.com/3uvmfuc8 🧪⚒️🪸🐙🌊
A geochemical schematic of the biological and crystallographic processes of biomineralisation. A mineralized skeleton (bottom) grows from a calcifying fluid which is separated from external seawater by a layer of tissue. There are multiple possible ways to transport ions across this tissue layer to the site of calcification (solid arrows), which are often associated with the co-transport or counter-transport of other ions (dashed arrows). A conceptual space for exploring the dynamics of biomineral geochemistry, with labels for a calcite biomineral.
September 2, 2024 at 2:54 PM
Reposted by Anthea A
davidho.bsky.social
🧵I read this justification from so-called environmental activists against research on climate solutions, and I have thoughts.

No, climate scientists aren’t projecting 2.5°C of warming. This is an opinion poll; just like this article, it’s not scientific. 1/n
"Climate scientists around the world are now projecting warming of at least 2.5°C within this century."
July 24, 2024 at 3:33 PM