Research articles

scientists mother nature paint color

Scientists accidentally create the world's lightest paint by mimicking Mother Nature

A drop the size of a raisin could paint both sides of the door to your house
Yeah! Science! Traditional paint is made from a bonding agent, such as oil, and pigments from heavy metals like cobalt, ochre, and cadmium, which make blue, red, and yellow, respectively. We use paint to color the artificial world, but in nature, creatures such as butterflies and beetles display vibrant palettes without pigment - they use topography.
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Researchers develop nano-thin gold coating to prevent glass from fogging up

Ideal for eyeglasses and windshields
In a nutshell: Researchers at ETH Zurich have spent the last few years perfecting a coating capable of passively preventing fogging on glass surfaces. Their latest iteration consists of extremely thin clusters of gold situated between ultrathin layers of titanium oxide on the top and bottom. The resulting coating is able to absorb a portion of infrared radiation from the Sun, which heats up the surface by as much as eight degrees Celsius and prevents condensation from forming.
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UK clinical trials transfuse two people using blood produced in a lab

Why it matters: Hospitals have a constant need for donated blood. Approximately 30,000 units per day are used to treat accident victims and people with blood ailments like sickle cell anemia. Hospitals often suffer shortages when they receive a high number of trauma patients. But what if we could duplicate a typical donation in a lab and give it a longer shelf life?