Tantalizing evidence has been uncovered for a mysterious population of "free-floating" planets, planets that may be alone in deep space, unbound to any host star. The results include four new discoveries that are consistent ...
Astronomy
Jul 6, 2021
3
2035
Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job—to fertilize eggs? In a new article published in Nature Ecology and Evolution, researchers from ...
Evolution
Jun 21, 2021
1
10
Traditional lenses—like the ones found in eyeglasses—are bulky, heavy and only focus light across a limited number of wavelengths. A new, ultrathin metalens developed by researchers at the University of California, Berkeley, ...
Condensed Matter
Jun 26, 2020
3
980
The protection of our environment and natural resources is crucial. A major focus is on climate change, mitigation and adaptation, a core issue of which is the availability, quantity and quality of our water resources. However, ...
Environment
Jan 15, 2020
0
8
A team led by scientists at the University of Washington has designed and tested a 3-D-printed metamaterial that can manipulate light with nanoscale precision. As they report in a paper published Oct. 4 in the journal Science ...
Optics & Photonics
Oct 4, 2019
0
795
Metal-organic frameworks (MOFs) are a special class of sponge-like materials with nano-sized pores. The nanopores lead to record-breaking internal surface areas, up to 7800 m2 in a single gram. This feature makes MOFs extremely ...
Polymers
Jul 19, 2019
0
57
In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles ...
Ultrasound has long been an important tool for medical imaging. Recently, medical researchers have demonstrated that focused ultrasound waves can also improve the delivery of therapeutic agents such as drugs and genetic material. ...
Bio & Medicine
May 13, 2019
0
22
The major focus on climate change in Environment Aotearoa 2019, a stocktake on New Zealand's environment released today, is a welcome change.
Environment
Apr 18, 2019
0
43
The electric Jaguar I-Pace won the Car of the Year award in Europe on Monday, the first time the storied British brand has been bestowed the prize just as Brexit looms over the continent's auto industry.
Automotive
Mar 4, 2019
0
9
