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Plants & Animals Feb 2, 2022

To the bone: Creating 3D maps of mineral patterns inside the shark vertebral centrum

Sharks, found in deep and shallow waters throughout the oceans, are some of the oldest living creatures on planet Earth. Shark skeletons, made of rubbery tissue called cartilage, have fascinated scientists for eons. Sharks ...

Archaeology Feb 1, 2022

'Threaded bone' rituals in ancient Peru restored dignity after looting of indigenous graves

Ancient indigenous people in Peru had a unique response to the looting and destruction of their ancestors' graves during the European colonial period, an international team of archeologists has discovered.

Paleontology & Fossils Jan 25, 2022

Fish bones and water lilies help pin down the month the dinosaurs died

The dinosaurs were killed by a meteorite impact on the Earth some 66 million years ago in what has become known as the Cretaceous-Paleogene extinction event. At what time of the year this occurred has long generated debate ...

Archaeology Jan 12, 2022

Bones and teeth reveal whether teenagers have always been a source of worry for their parents

They were promiscuous, rarely home and thought they knew everything. They were teenagers from centuries ago, and by studying their bones and teeth, bioarcheologists can confirm that teens have always been a source of worry ...

Archaeology Jan 7, 2022

Archaeological dig reveals participants in California's Gold Rush dined on salted Atlantic cod

It turns out San Francisco has been a destination for lovers of imported delicacies since its earliest Gold Rush days.

Cell & Microbiology Dec 23, 2021

Communication between cells plays a major role in deciding their fate

Scientists have found a way to prove that biochemical signals sent from cell to cell play an important role in determining how those cells develop.

Cell & Microbiology Dec 17, 2021

A biopolymer hydrogel with amino-functionalized bioactive glass for accelerated bone regeneration

Composite hydrogels can incorporate natural polymers and bioactive glass as promising materials for bone regeneration. However, the applications of such constructs are limited by poor compatibility between organic and inorganic ...

Paleontology & Fossils Dec 15, 2021

Fossil find reveals giant prehistoric 'thunder birds' were riddled with bone disease

Until around 45,000 years ago, Australia was home to Genyornis newtoni, a fearsomely huge bird weighing roughly 230kg—almost six times as much as an emu—and standing 2 meters tall.

Cell & Microbiology Dec 9, 2021

Scientists show how bone-bordering cells may help shape a skull

A skull is not one single bone but rather a collection of bone plates joined together early in development. In a study of mice, scientists at the Icahn School of Medicine at Mount Sinai showed how the activity of one gene, ...

Paleontology & Fossils Dec 8, 2021

Fleshing out the bones of Quetzalcoatlus, Earth's largest flier ever

Look around any wetland today and you're likely to see 3-foot-tall egrets or 4-foot-tall herons wading in the shallows in stealthy search of fish, insects or crustaceans.

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