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Archaeology Oct 4, 2023

Analysis of grinding tools reveals plant, pigment and bone processing in Neolithic northern Saudi Arabia

In recent years, studies have revealed that the now-arid region of northern Arabia was once much wetter and greener, providing Neolithic human populations with access to both water and game. The present aridity of the region, ...

Plants & Animals Oct 2, 2023

DNA from discarded whale bones suggests loss of genetic diversity due to commercial whaling

Commercial whaling in the 20th century decimated populations of large whales but also appears to have had a lasting impact on the genetic diversity of today's surviving whales, new research from Oregon State University shows.

Ecology Sep 25, 2023

Caribbean parrots thought to be endemic are actually relicts of millennial-scale extinction

In a new study published in PNAS, researchers have extracted the first ancient DNA from Caribbean parrots, which they compared with genetic sequences from modern birds. Working with fossils and archaeological specimens, they ...

Archaeology Sep 21, 2023

Box of donated artifacts turns out to be treasure trove of Neanderthal bones

A team of historians, paleontologists and biologists affiliated with institutions across Spain has discovered that a box of artifacts donated to a museum in Spain back in 1986 contained a treasure trove of Neanderthal bones. ...

Space Exploration Sep 18, 2023

Engineered compound shows promise in preventing bone loss in space

A study published in npj Microgravity, finds an engineered compound given to mice aboard the International Space Station (ISS) largely prevented the bone loss associated with time spent in space.

Ecology Sep 15, 2023

Using zooarchaeology and collagen mass-peptide fingerprinting to study whales before industrialization

A team of archaeologists, biologists and historians from institutions in Norway, the Netherlands, the U.K. and France has found via use of zooarchaeology techniques and collagen mass-peptide fingerprinting that humans contributed ...

Archaeology Aug 30, 2023

Salmon bones confirm sustainable chum fishery for 2,500 years under Tsleil-Waututh Nation

New research confirms that Tsleil-Waututh Nation has consistently and sustainably fished for chum salmon for 1,200 years longer than the archaeological record had previously demonstrated.

Cell & Microbiology Aug 28, 2023

Constitutive aryl hydrocarbon receptor facilitates regenerative potential of mouse bone marrow mesenchymal stromal cells

Bone marrow mesenchymal stromal cells (BMSCs) are the commonly used seed cells in tissue engineering. Aryl hydrocarbon receptor (AhR) is a transcription factor involved in various cellular processes. However, the function ...

Environment Aug 25, 2023

'Animals are thirsty': Dust and bones on Turkey's shrinking lake

Shepherd Ibrahim Koc recalls his youth with fondness as he grazes cattle on a barren field that was once lush with vegetation on the edge of Turkey's largest lake.

Cell & Microbiology Aug 17, 2023

Molecule identified that could be key for a new wave of drugs to target obesity and bone diseases

Scientists have identified a molecule that plays a key role in how cells detect when they are being pushed or pulled which could lead to the development of future drugs for obesity, osteoporosis, and inflammatory diseases.

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