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Search results for bone mineralization

Materials Science Feb 22, 2021

Can bacteria make stronger cars, airplanes and armor?

Biological systems can harness their living cells for growth and regeneration, but engineering systems cannot. Until now.

Paleontology & Fossils Feb 19, 2021

Quartz crystals in the stomach of fossil bird complicates the mystery of its diet

It's hard to know what prehistoric animals' lives were like—even answering seemingly simple questions, like what they ate, can be a challenge. Sometimes, paleontologists get lucky, and pristine fossils will preserve an ...

Bio & Medicine Feb 9, 2021

Researchers use hot nano-chisel to create artificial bones in a Petri dish

A holy grail for orthopedic research is a method for not only creating artificial bone tissue that precisely matches the real thing, but does so in such microscopic detail that it includes tiny structures potentially important ...

Space Exploration Feb 9, 2021

Millie Hughes-Fulford, trailblazing astronaut, dies at 75

Millie Hughes-Fulford, a trailblazing astronaut and scientist who became the first female payload specialist to fly in space for NASA, died following a yearslong battle with cancer, her family said. She was 75.

Astrobiology Feb 5, 2021

Has life existed beyond Earth?

When the NASA Mars rover Perseverance touches down on the surface of Mars on February 18, it will arrive in Jezero Crater, which preserves evidence of a time when rivers flowed on Mars.

Earth Sciences Jan 28, 2021

Experiments show the record of early life could be full of 'false positives'

For most of Earth's history, life was limited to the microscopic realm, with bacteria occupying nearly every possible niche. Life is generally thought to have evolved in some of the most extreme environments, like hydrothermal ...

Paleontology & Fossils Jan 28, 2021

635 million-year-old fungi-like microfossil that bailed us out of an ice age discovered

When you think of fungi, what comes to mind may be a crucial ingredient in a recipe or their amazing ability to break down dead organic matter into vital nutrients. But new research by Shuhai Xiao, a professor of geosciences ...

Archaeology Jan 27, 2021

Ancient proteins help track early milk drinking in Africa

Tracking milk drinking in the ancient past is not straightforward. For decades, archaeologists have tried to reconstruct the practice by various indirect methods. They have looked at ancient rock art to identify scenes of ...

Plants & Animals Jan 26, 2021

The inner ear hides clues on human evolution

A PNAS study led by the Institut Català de Paleontologia Miquel Crusafont (ICP) analyzed the kinship between two Miocene great apes (Hispanopithecus and Rudapithecus) based on the morphology of their inner ear semicircular ...

Biochemistry Dec 31, 2020

Light-responsive E. coli functional biofilms as scaffolds for hydroxyapatite mineralization

Living organisms have evolved mechanisms of biomineralization to build structurally ordered and environmentally adaptive composite materials. While research teams have significantly improved biomimetic mineralization research ...

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