Nanoparticles from tattoos circulate inside the body, study finds

The elements that make up the ink in tattoos travel inside the body in micro and nanoparticle forms and reach the lymph nodes, according to a study published in Scientific Reports on 12 September by scientists from Germany ...

Out of the blue: Medieval fragments yield surprises

Analyzing pigments in medieval illuminated manuscript pages at the Cornell High Energy Synchrotron Source(CHESS) is opening up some new areas of research bridging the arts and sciences.

Green beer highlights the science behind the brew

Working with Scottish Bioenergy, the team found that by limiting all other wavelengths, the algae – known more commonly as Spirulina – will start to mass-produce the blue pigment when exposed to long wavelength red light.

The effectiveness of 3-D camouflage

Over 100 years ago, the American artist Abbot Thayer proposed that the reason so many animals are darker on their backs than their bellies is to disguise their 3-D shape and so improve camouflage.

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