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Search results for bone mineralization

Archaeology Jun 19, 2020

Dinosaur footprints show predators as big as T. rex stomped across Australia 160 million years ago

Perhaps the most iconic dinosaur is Tyrannosaurus rex, a massive predator that lived in what is now North America. We have now discovered that carnivorous dinosaurs of a similar size existed in ancient Australia as well.

Analytical Chemistry Jun 15, 2020

New 3-D X-ray technique reveals secrets from inside bones

An international research team has used new X-ray techniques to describe how the architecture of healthy human bones is built up. The team has uncovered a hitherto unknown structure in healthy bones.

Archaeology Jun 15, 2020

48,000-year-old arrowheads reveal early human innovation in the Sri Lankan rainforest

Archaeological excavations deep within the rainforests of Sri Lanka have unearthed the earliest evidence for hunting with bows and arrows outside Africa.

Archaeology Jun 12, 2020

Discovery of oldest bow and arrow technology in Eurasia

The origins of human innovation have traditionally been sought in the grasslands and coasts of Africa or the temperate environments of Europe. More extreme environments, such as the tropical rainforests of Asia, have been ...

Bio & Medicine May 22, 2020

Cockle shells picked to treat dog cancer

The calcium mineral from which many shellfish, such as cockles, make their shells can be used to form nanoparticles. These nanoparticles can then be "loaded" with small drug molecules, such as anticancer drugs.

Materials Science Apr 17, 2020

Under pressure: New bioinspired material can 'shapeshift' to external forces

Inspired by how human bone and colorful coral reefs adjust mineral deposits in response to their surrounding environments, Johns Hopkins researchers have created a self-adapting material that can change its stiffness in response ...

Plants & Animals Apr 6, 2020

Cold War nuclear bomb tests reveal true age of whale sharks

Atomic bomb tests conducted during the Cold War have helped scientists for the first time correctly determine the age of whale sharks.

Archaeology Mar 25, 2020

Fossil finds give clues about flying reptiles in the Sahara 100 million years ago

Three new species of toothed pterosaurs—flying reptiles of the Cretaceous period, some 100 million years ago—have been identified in Africa by an international team of scientists led by Baylor University.

Biochemistry Mar 24, 2020

Buildings grown by bacteria: New research to turn cells into mini-factories for materials

Buildings are not unlike a human body. They have bones and skin; they breathe. Electrified, they consume energy, regulate temperature and generate waste. Buildings are organisms—albeit inanimate ones.

Materials Science Mar 18, 2020

New 3-D printing method could transform material behind vital medical isotope

For the first time in the U.S., Argonne scientists have used 3-D printing to scale up the recycling of the precursors of an important medical isotope.

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