#archean
Live, measured metrics for the hashtag #archean from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #archean
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-10-13 23:22 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-10-13 23:22 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-13 23:22 UTCEverything below is measured over the latest 20 public posts (spanning ~29357 hours).
Posting hours (UTC) — busiest: 17:00
Languages: English (20)
Avg boosts / post: 2.2
Top of the latest posts
Today, molybdenum is one of the most common trace elements in the ocean due to oxidative weathering of #Molybdenite. But in the Archean the oceans were reducing, and molybdenum was scarce. Other nitrogenases evolved to use other transition
#Molybdenite is the primary host for the element molybdenum in the Earth's crust. Molybdenum is part of the most effective biological molecule for nitrogen fixation (Mo-nitrogenase), which converts atmospheric N2 to a bio-available form. Th
A very cool talk this week at GEOTOP by André Pellerin, University of Quebc at Rimouski. He spoke on the strange chemistry and biology of Lake Untersee, east Antarctica. This lake is perpetually ice-covered and the bottom covered with #stro
What “archean” means
WikipediaThe Archean, in older sources sometimes called the Archaeozoic, is the second of the four geologic eons of Earth's history, preceded by the Hadean Eon and followed by the Proterozoic and the Phanerozoic. The Archean represents the time period from 4,031 to 2,500 Ma. The Late Heavy Bombardment is hypothesized to overlap with the beginning of the Archean. The oldest known glaciation occurred in the middle of the eon.
“Archean” on Wikipedia (CC BY-SA) →#archean across platforms
every network with a public tag surfaceFollow #archean straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/archean