ScienceDesk

Atomic grains of sand: How the history of humans is written into the fabric of the Earth, from @BBCNews.

"Nature has a way of remembering things. Echoes of certain human activities, especially highly-polluting ones, sometimes show up in tree rings, coastal sediments and ecosystems."

https://flip.it/ctUVLx

#Science #Earth #Humans #Environment #Ecology #History

An African strontium map sheds light on the origins of enslaved people.

Science News reports: "Pinpointing birthplaces based on dental records can deepen understanding of the slave trade."

https://flip.it/uMl3Bf

#Anthropology #History #BlackHistoryMonth #Slavery #Science

Do science dioramas still have a place in today’s museums?

From Science News: "Many exhibit experts believe they still have value but need reimagining."

https://flip.it/Z92ceK

#Science #Museum #Diorama #Education #History

Paleontologists claim to have re-discovered dinosaur species in pre-WWII photographs.

From @Gizmodo: "The fossil, destroyed in an air raid 80 years ago, had faded from memory until a paleontologist found archival images."

https://flip.it/RUG4qm

#Dinosaurs #Paleontology #Science #History

Nature’s hidden secrets are unveiled in close-up photography competition.

@CNN reports: "The annual contest was launched in 2018 to unveil nature’s hidden wonder through close-up, macro and micro photography."

https://flip.it/wXE1tw

#Nature #Photography #Animals #Science

Human use of fire has produced an era of uncontrolled burning: Welcome to the Pyrocene.

A fire historian writes for @ConversationUS: https://flip.it/-y4.RG

#ClimateChange #Wildfires #Science #History

Ancient DNA from graves reveals "jaw-dropping" discovery about Iron Age women.

@CBSNews reports that the pattern — called matrilocality — is historically rare and was unknown in Europe.

https://flip.it/3hCwqk

#DNA #Genetics #Anthropology #Science #Women #History

Ancient humans ate a wide variety of plants, study shows, debunking the efficacy of the paleo diet. @ScienceAlert has more:

https://flip.it/E9G7I7

#Science #Humans #History #Food #Paleo #Foodstodon

Female family ties were at the heart of social networks in Celtic society in Britain before the Roman invasion, a new analysis suggests. Genetic evidence from a late Iron Age cemetery shows that women were closely related while unrelated men tended to come into the community from elsewhere, likely after marriage. @AssociatedPress reports:
https://apnews.com/article/celtic-women-iron-age-britain-89c1cc54090afe389fdf61594986851b

#Celtic #Archaeology #Britain #IronAge

#history

For more than 5,000 years, humans have adorned themselves with tattoos. In a new study, researchers used lasers to uncover highly intricate designs of ancient tattoos on mummies from Peru. AP News reports:
https://apnews.com/article/ancient-tattoos-lasers-peru-mummies-2b6c0dd724e18af39727553721075449

#Tattoo #Peru #Mummies #Caral #Tattoos #Archaeology

#history

Did lead pollution lower IQs across the Roman Empire?

@PopularScience reports on "new research linking lead air pollution to cognitive losses during the Pax Romana."

https://flip.it/FidVo_

The complete study: https://www.pnas.org/doi/10.1073/pnas.2419630121

#Roman #Pollution #Archaeology #Science

#history

15 marvelous Nature Photographer of the Year 2024 images, from @PopularScience.

https://flip.it/bZN8B_

#Nature #Photography #Animals #Science