Achromatic performance of different single lenses and multilayer lenses. (A) Schematic of the designer 3D-printed multilayer achromatic metalens (MAM). (B) Schematic of traditional and flat optics lenses [including Fresnel lens, multilevel diffractive lens (MDL), and metalens] with single layers and multilayers. (C) Evolution of focal spots at wavelengths of 400, 533, and 800 nm when … Read more
Scientists are calling for a review of the 14-day rule on embryo research, saying that extending the limit could help uncover the causes of recurrent miscarriage and congenital conditions. Until now, scientists studying the earliest stages of life have been restricted to cultivating embryos up to the equivalent of 14 days of development. They can … Read more
Sign up to our free IndyArts newsletter for all the latest entertainment news and reviews Sign up to our free IndyArts newsletter Jamie Dornan, Kenneth Branagh once said, is far too interesting a person for someone so pretty. That was the gist, anyway. “He surprises you as being something more intriguing than his exceptional good … Read more
University of Virginia Alzheimer’s researchers have discovered how harmful tau proteins damage the essential operating instructions for our brain cells, a finding which could lead to new treatments. The toxic protein, the researchers found, warps the shape of the nuclei of nerve cells, or neurons. This alters the function of genes contained inside and reprograms … Read more
Credit: Pixabay/CC0 Public Domain A growing herd of 250 bison, re-introduced at the Rocky Mountain Arsenal National Wildlife Refuge to help restore toxic wasteland to the native short-grass prairie, often descends through a floodplain to reach First Creek and cross to the northern half of the refuge. But torrents of water spilling off the rapidly … Read more
On solstice eve, a gale came thrashing trees, strewing sticks. Around each tree in the park, particularly the limes and ash, was a leeward shadow of branches and twigs, mostly dead brash winnowed from the living boughs, cast down to rot into the earth. Before decaying and recycling nutrients back to the tree roots through … Read more
Stay ahead of the trend in fashion and beyond with our free weekly Lifestyle Edit newsletter Stay ahead of the trend in fashion and beyond with our free weekly Lifestyle Edit newsletter The best part of the dead spacey time between Christmas and new year is also often the most overlooked. For one week a … Read more
A new study from Lawson Health Research Institute and Western University published in the journal Microbiome has found changes in the microbiome in multiple locations in the body are linked to the formation of kidney stones. The human microbiome comprises trillions of microorganisms, including healthy bacteria. In recent years, research has begun to uncover its … Read more
A graphic illustrating the four possible interactions between two particles, where the arrows indicate the force experienced by the particle of that color due to the gradient surrounding the particle of the other color. The interactions shown in the upper left-hand and lower right-hand corners illustrate reciprocal interactions where the two particles attract each other … Read more
For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails An Oakland, California, police officer was shot and killed Friday while answering a report of a burglary at a marijuana dispensary, authorities said. Tuan Le, 36, was one … Read more
