The universe bathes in a sea of light, from the blue-white flickering of young stars to the deep red glow of hydrogen clouds. Beyond the colors seen by human eyes, there are flashes of X-rays and gamma rays, powerful bursts ...
Astronomy
Oct 21, 2019
43
1241
Researchers have developed a new non-invasive optical imaging system that promises to improve diagnosis and treatments for dry eye disease. Dry eye, which often causes irritation and blurred vision, occurs when there is instability ...
Optics & Photonics
Oct 4, 2019
0
159
Identifying geological features in a densely vegetated, steep, and rough terrain can be almost impossible. Imagery like LiDAR can help researchers see through the tree cover, but subtle landforms can often be missed by the ...
Earth Sciences
Sep 23, 2019
0
31
Dogs in tropical Africa run the risk of contracting canine trypanosomosis if they are bitten by bloodsucking tsetse flies carrying trypanosomes—microscopic, single-celled organisms found in the bloodstream. In dogs, this ...
Veterinary medicine
Sep 9, 2019
0
12
The ability to detect the direction of someone's gaze is not unique to humans, as had been previously thought, according to new research.
Plants & Animals
Sep 2, 2019
10
315
When Friederike Gründger and her team cracked open the long, heavy cylinders of black sediment drawn from the ocean floor, they were surprised to find pockets of yellowish-green slime buried within two of the samples. The ...
Environment
Aug 28, 2019
0
31
Movies featuring heroes with superpowers, such as flight, X-ray vision or extraordinary strength, are all the rage. But while these popular characters are mere flights of fancy, scientists have used nanoparticles to confer ...
Nanomaterials
Aug 27, 2019
3
460
Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens that is essentially a flat, electronically controlled artificial ...
Nanophysics
Aug 22, 2019
0
798
Fossilised flies that lived 54 million years ago have revealed a surprising twist to the tale of how insects' eyes evolved. These craneflies, unveiled in Nature today, show that insect eyes trap light the same way as human ...
Archaeology
Aug 15, 2019
1
600
A research team led by the University of California San Diego has developed a soft robotic lens whose movements are controlled by the eyes—blink twice and the lens zooms in and out; look left, right, up or down and the ...
Materials Science
Aug 5, 2019
1
96
