Imagine if water vapor in your breath or surrounding your fingertips revealed invisible patterns on commercial products—smartphones, laptops, expensive liquor—that verified the products' authenticity and aided anticounterfeiting ...
Nanomaterials
Oct 1, 2019
0
99
The first-ever comet from beyond our Solar System has been successfully imaged by the Gemini Observatory in multiple colors. The image of the newly discovered object, denoted C/2019 Q4 (Borisov), was obtained on the night ...
Astronomy
Sep 13, 2019
18
1557
Groucho Marx once joked, "Anything that can't be done in bed isn't worth doing at all." You might think he was referring to sleeping and sex. But humans, at one time or another, have done just about everything in bed.
Social Sciences
Sep 13, 2019
0
4
A chameleon can alter the color of its skin so it either blends into the background to hide or stands out to defend its territory and attract a mate. The chameleon makes this trick look easy, using photonic crystals in its ...
Nanophysics
Sep 11, 2019
0
175
Bright colors and conspicuous markings are often used in nature to warn off would-be predators. While we are used to seeing such markings—termed aposematic signals—in plants, caterpillars and snakes, we do not usually ...
Plants & Animals
Sep 10, 2019
0
73
While many NASA missions are tracking Hurricane Dorian as the storm makes its way toward the United States, some researchers are looking at what Dorian has already left behind.
Environment
Sep 4, 2019
0
9
A team of chemists from the U.S. and China have constructed a cube of colored, hydrogel blocks, which looks and acts much like a Rubik's Cube. The researchers say their work is more than just fun to play with: it might inspire ...
Polymers
Aug 13, 2019
0
207
A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be published on Aug. 9 in Science Advances.
Polymers
Aug 9, 2019
15
235
Exposure to thyroid hormone can alter eye function in zebrafish, a result with implications for curing color blindness and retinal degeneration in humans.
Plants & Animals
Aug 6, 2019
0
171
It is difficult to distinguish caterpillars of the peppered moth from a twig. The caterpillars not only mimic the form but also the color of a twig. In a new study, researchers of Liverpool University in the UK and the Max ...
Plants & Animals
Aug 5, 2019
0
935
