Proceedings of the National Academy of Sciences

pnas.org

12 October 2026 20:10

Hundreds of fortified hillforts, known as pukaras, dot the Andean highlands. A network analysis modeling defensive coordination among the pukaras supports the idea that defensive coalitions were important in the formation of polities. In PNAS: https://ow.ly/Gybk50ZWXjc

Dartmouth Arts and Sciences

dartmouthartsci.bsky.social

12 October 2026 20:10

Using hundreds of satellite images from over 40 years, a new Dartmouth-led study provides the first regional analysis of greening trends in the northern Appalachian region, showing that 69% of the alpine zones studied have experienced significant increases in vegetation.

Dr Lauren Smith

saltwaterlifeuk.bsky.social

12 October 2026 07:56

Treated to a lovely display tonight! Took these from the bridge over the Ythan here in Newburgh. #northernlights #aurora #nature #outdoors #scotland @davidbflower.bsky.social

Türkçü Tengrici

tengrici06.bsky.social

12 October 2026 07:54

Günaydın 🇹🇷♾️🦋

David Blanchflower BSc

davidbflower.bsky.social

12 October 2026 07:54

Mars in the Beehive. 11 October 2026. 🔭 🧪 🎨 #astrophotography #SciArt #photography