Per Ahlberg
@perahlberg.bsky.social
Palaeontologist at Uppsala University. Early vertebrate enthusiast. Moderately effective gardener. Views my own.🇸🇪🇺🇦🇨🇦🇬🇱
🧪 I am pleased to announce that I have been elected a Foreign Member of the Chinese Academy of Sciences, Division of Earth Sciences.
November 21, 2025 at 6:08 PM
🧪 I am pleased to announce that I have been elected a Foreign Member of the Chinese Academy of Sciences, Division of Earth Sciences.
In case anyone missed the visual reference, here's Zeus (or Poseidon) about to throw his thunderbolt (or trident), Greek bronze, ca. 460 BC.
November 4, 2025 at 11:32 AM
In case anyone missed the visual reference, here's Zeus (or Poseidon) about to throw his thunderbolt (or trident), Greek bronze, ca. 460 BC.
The last summer flower, somewhat unexpectedly, is a monkshood that was planted in early summer and flowered much later than expected. Tall, languid, voluptuous and staggeringly poisonous. I love this! Hopefully it will gradually expand into a sizeable clump.
October 26, 2025 at 12:11 PM
The last summer flower, somewhat unexpectedly, is a monkshood that was planted in early summer and flowered much later than expected. Tall, languid, voluptuous and staggeringly poisonous. I love this! Hopefully it will gradually expand into a sizeable clump.
Underneath, a seedling Japanese maple (Acer palmatum) is showing proper autumn colour for the first time and looks quite promising.
October 26, 2025 at 12:11 PM
Underneath, a seedling Japanese maple (Acer palmatum) is showing proper autumn colour for the first time and looks quite promising.
In the garden, my daughter’s cherry tree (see previous posts) is now a lovely mild orange.
October 26, 2025 at 12:11 PM
In the garden, my daughter’s cherry tree (see previous posts) is now a lovely mild orange.
This morning, autumn presents a Yellow Window and a Red Window outside my kitchen.
October 26, 2025 at 8:36 AM
This morning, autumn presents a Yellow Window and a Red Window outside my kitchen.
And wrinkled lip, and sneer of cold command...
October 23, 2025 at 8:15 PM
And wrinkled lip, and sneer of cold command...
And just to show that I was really there, here I am in context, snapped by @janetahlberg.bsky.social
October 18, 2025 at 8:44 PM
And just to show that I was really there, here I am in context, snapped by @janetahlberg.bsky.social
Draperies are forming and pink is showing above the green.
October 18, 2025 at 7:43 PM
Draperies are forming and pink is showing above the green.
Aurora with Ursa Major.
October 18, 2025 at 7:38 PM
Aurora with Ursa Major.
The northern sky is lit up over Flogsta.
October 18, 2025 at 7:35 PM
The northern sky is lit up over Flogsta.
Right now: aurora over my house!
October 18, 2025 at 7:24 PM
Right now: aurora over my house!
Meanwhile, the Solomon’s Seal is just…strange. Why does it do this?
October 12, 2025 at 10:13 AM
Meanwhile, the Solomon’s Seal is just…strange. Why does it do this?
Autumn in the garden. The pond vegetation is settling into tousled senescence, but behind it the giant Veronica vies with a self-seeded hazel for brightest autumn colour.
October 12, 2025 at 10:13 AM
Autumn in the garden. The pond vegetation is settling into tousled senescence, but behind it the giant Veronica vies with a self-seeded hazel for brightest autumn colour.
...and in any case a flagrant copyright violation. This is an earlier version, part of the Gilgamesh epic in Akkadian, but even this isn't the oldest; the original is Sumerian. "Noah" is called Utnapishtim (or Atrahasis, or Ziusudra, depending on the text) and lives in the city of Shuruppak.
October 9, 2025 at 1:38 PM
...and in any case a flagrant copyright violation. This is an earlier version, part of the Gilgamesh epic in Akkadian, but even this isn't the oldest; the original is Sumerian. "Noah" is called Utnapishtim (or Atrahasis, or Ziusudra, depending on the text) and lives in the city of Shuruppak.
A beautiful warship with no engine noise. Stealth for the 21st century!
September 30, 2025 at 3:18 PM
A beautiful warship with no engine noise. Stealth for the 21st century!
The earliest known member of this clade:
September 23, 2025 at 1:21 PM
The earliest known member of this clade:
And here’s the haul! Porcini at front, hedgehogs back right, mixed chanterelles back left.
September 20, 2025 at 2:43 PM
And here’s the haul! Porcini at front, hedgehogs back right, mixed chanterelles back left.
Out in the forest picking mushrooms today. Great success: porcini, hedgehog fungus, yellow chanterelles, funnel chanterelles…but now I have to clean them all.
September 20, 2025 at 2:06 PM
Out in the forest picking mushrooms today. Great success: porcini, hedgehog fungus, yellow chanterelles, funnel chanterelles…but now I have to clean them all.