90% of US tattoo inks contain ingredients not listed on the label

Analyzing tattoo inks from big and small name American manufacturers, researchers have found that 90% contained ingredients that weren’t listed on the label, including some with known health effects. The findings highlight the need for tighter manufact… Continue reading 90% of US tattoo inks contain ingredients not listed on the label

Octopus-inspired ink can change color on demand

Scientists have created a new light-activated ink that can change color on demand. It’s made up of microbeads of different colors that rise or sink in response to different wavelengths of light so that its surface appears as a specific color, which cou… Continue reading Octopus-inspired ink can change color on demand

Agri-waste 3D-printing ink may make cultured meat more affordable

Although great strides are being made in the field of lab-grown meat, the stuff is still quite expensive to produce. A new 3D-printing ink could help, while also making use of agricultural waste that would otherwise be discarded.Continue ReadingCategor… Continue reading Agri-waste 3D-printing ink may make cultured meat more affordable

New research points to potentially harmful chemicals in tattoo ink

New research presented at the fall meeting of the American Chemical Society has raised concerns that many tattoo inks contain chemicals that may be damaging to human health. Analyzing nearly 100 currently used tattoo inks the researchers found many ink… Continue reading New research points to potentially harmful chemicals in tattoo ink