Team cracks butterfly wing color mystery

Butterflies and bubbles can both produce irridescent colors. New research digs into how certain butterflies can create a rainbow of wing colors.

National Science Foundation • futurity
May 4, 2020 ~3 min

Tags: featured science-and-technology bubbles butterflies colors

How butterfly wings get blacker than black

Researchers have finally solved the mystery of ultra-black butterflies, which have wings that rival the blackest coatings humans can make.

Duke University • futurity
March 17, 2020 ~7 min

Tags: science-and-technology biomimicry butterflies coatings colors insects light

How butterfly wings get blacker than black

Researchers have finally solved the mystery of ultra-black butterflies, which have wings that rival the blackest coatings humans can make.

Duke University • futurity
March 17, 2020 ~7 min

Tags: science-and-technology biomimicry butterflies coatings colors insects light

Imprint gives chocolate a rainbow shimmer

Scientists have used structural color, not colorings, to give chocolate a rainbow shimmer.

ETH Zurich • futurity
Dec. 19, 2019 ~3 min

Tags: featured science-and-technology chocolate colors food

Hunter-gatherers heated lake gunk to make ochre paint

Ancient artists used ochre, one of Earth's oldest materials, as a red paint, but researchers have only now figured out how they made it.

Eric Stann-Missouri • futurity
Nov. 20, 2019 ~4 min

Tags: society-and-culture archaeology art colors hunter-gatherers paint

Red and green light refine control of optogenetics

A new feat in optogenetics used red and green light to raise and lower the speed of beating heart cells.

National University of Singapore • futurity
Nov. 6, 2019 ~4 min

Tags: health-and-medicine cancer cells colors genes nanotechnology optogenetics

Hidden traits and colors lurk in purebred dogs

Unexpected colors or even traits like missing tails don't necessarily indicate that a dog isn't purebred, research on "hidden" genetics suggests.

Abbey Nickel-Purdue • futurity
Nov. 6, 2019 ~5 min

Tags: science-and-technology colors dogs genes pets

How being yellow messes up fruit fly sex lives

A single genetic mutation both turns male fruit flies yellow and keeps them from mating effectively. How is that possible? Sex combs.

Jim Erickson-Michigan • futurity
Oct. 17, 2019 ~5 min

Tags: science-and-technology colors fruit-flies genes mating melanin

Coffee grounds offer greener way to dye fabric brown

A new, all-natural way to dye clothes brown uses leftover coffee grounds and avoids the chemicals and synthetic dyes the textile industry uses now.

Angie Hunt-Iowa State • futurity
Sept. 23, 2019 ~3 min

Tags: earth-and-environment clothing coffee colors fabric sustainability

Color-changing ‘smart skin’ steals tricks from chameleons

A new "smart skin" can change colors just like a chameleons skin, but it also fixes a major problem with other color-changing materials—the way they shrink.

Carol Clark-Emory • futurity
Sept. 11, 2019 ~6 min

Tags: science-and-technology biomimicry colors crystals hydrogels light skin

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