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Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony

The variations in the thickness of the oxide layer that forms on the surface of the crystal causes different wavelengths of light to interfere upon reflection, thus displaying a rainbow of colors.

via http://en.wikipedia.org/wiki/Bismuth

Probiotics protect children, pregnant women against heavy metal poisoning

Yogurt containing probiotic bacteria successfully protected children and pregnant women against heavy metal exposure in a recent study. Working with funding from the Bill and Melinda Gates Foundation, Canadian and Tanzanian researchers created and distributed a special yogurt containing Lactobacillus rhamnosus bacteria and observed the outcomes against a control group. The work is published this week in mBio, the online open-access journal of the American Society for Microbiology.

A research team from the Canadian Centre for Human Microbiome and Probiotics, led by Dr. Gregor Reid, studied how microbes could protect against environmental health damage in poor parts of the world. Their lab research indicated that L. rhamnosus had a great affinity for binding toxic heavy metals. Working with this knowledge, the team hypothesized that regularly consuming this probiotic strain could prevent metals from being absorbed from the diet.

Gregor Reid et al. Randomized Open-Label Pilot Study of the Influence of Probiotics and the Gut Microbiome on Toxic Metal Levels in Tanzanian Pregnant Women and School Children. mBio, October 2014 DOI: 10.1128/mBio.01580-14

A metallic alloy that is tough and ductile at cryogenic temperatures

A new concept in metallic alloy design – called “high-entropy alloys” - has yielded a multiple-element material that not only tests out as one of the toughest on record, but, unlike most materials, the toughness as well as the strength and ductility of this alloy actually improves at cryogenic temperatures. This multi-element alloy was synthesized and tested through a collaboration of researchers at the U.S. Department of Energy (DOE)’s Lawrence Berkeley and Oak Ridge National Laboratories.

"We examined CrMnFeCoNi, a high-entropy alloy that contains five major elements rather than one dominant one," says Robert Ritchie, a materials scientist with Berkeley Lab’s Materials Sciences Division. "Our tests showed that despite containing multiple elements with different crystal structures, this alloy crystalizes as a single phase, face‐centered cubic solid with exceptional damage tolerance, tensile strength above one gigapascal, and fracture toughness values that are off the charts, exceeding that of virtually all other metallic alloys.”

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Just couldn’t resist this great shot & mixing of metals by @elizabethkeene with @justfabonline ! ✔️

These look like the next heels we will be illustrating in the Stiletto Palette, so keep in eye out 😉

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Week in brief (13–17 October)

Batteries promise faster recharging 


With the success of new and upcoming technology, it wasn’t long before scientists would discover a new way to make them improve current methods. This time with advanced batteries, which can power a phone up to 70% in just 2 minutes. Scientists from Nanyang Technological University expect the breakthrough to an impact on a range of industries, particularly for electric vehicles, which are inhibited by recharge times and the limited lifespan of batteries. The new battery, replaces graphite normally used for the anode in lithium-ion batteries with a new gel material made from titanium dioxide.

To read more visit – http://bit.ly/1rs72HJ

In other news:

To hear on material science, packaging and engineering news, visit our website IOM3 or follow us on Twitter @MaterialsWorld for regular news updates.

By Natalie Daniels – Digital & Editorial Assistant