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Search results for biomineralization

Nanomaterials Mar 20, 2008

Nanoscience will change the way we think about the world

The ubiquity of mineral nanoparticles in natural waters, the atmosphere, and in soils and their intriguing properties provide Earth scientists with another dimension in which to understand our planet.

Earth Sciences Feb 25, 2008

Two oxygenation events in ancient oceans sparked spread of complex life

The rise of oxygen and the oxidation of deep oceans between 635 and 551 million years ago may have had an impact on the increase and spread of the earliest complex life, including animals, according to a study reported in ...

Condensed Matter Jul 2, 2007

Mother-of-pearl -- Classic beauty and remarkable strength

While the shiny material of pearls and abalone shells has long been prized for its iridescence and aesthetic value in jewelry and decorations, scientists admire mother-of-pearl for other physical properties as well.

Bio & Medicine Jun 15, 2007

In nature, proteins sweep up nanoparticles

Here’s a pollution-control tip from nature: Deep inside a flooded mine in Wisconsin, scientists from several institutions including the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have discovered ...

Bio & Medicine Jun 15, 2007

Microbes at work cleaning up the environment

It may sound counterintuitive to use a microbial protein to improve water quality.

Engineering Apr 26, 2007

Microorganisms act as tiny machines in future MEMS devices

The single-celled Spirostomum is a tiny brown worm that can contract its 500-micrometer-long body to 25% of its length in a millisecond, making this protozoan the fastest-contracting microorganism known. Scientists think ...

Condensed Matter Jan 29, 2007

Hatching a New Model for Biomineralization

The idea started with an eggshell and ended with a new understanding of how minerals form to build exceptionally strong structures in the bodies of humans and other organisms. Biomineralization, the process by which organisms ...

Dec 4, 2006

Scientists uncover speedometer for crystal growth controlled by biomolecule properties

From gemstones to transistors, crystals are everywhere in our daily lives. Crystals also make up the mineralized skeletons of all organisms, including seashells and our own teeth and bones. Perhaps the most widely used biominerals ...

Condensed Matter Nov 30, 2006

Modeling Mineral Formation with X-rays

Some of the hardest and sturdiest materials aren’t made in the factory; they’re made inside the bodies of animals. Biominerals are commonly used for support and protection, forming in teeth, bones, and shells in animals ...

Bio & Medicine Nov 7, 2006

Bones at the nanoscale

Scientists from Max Planck Institute (Germany) and the European Synchrotron Radiation Facility have just discovered the way deformation at the nanoscale takes place in a bone by studying it with the synchrotron X-rays. This ...

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