Only the second animal to find its way by polarised moonlight found
Nocturnal bull ants use polarised moonlight to navigate during foraging, a unique adaptation in the animal kingdom.
Surface Wave Driven Metasurfaces Open a New Era for Terahertz Optics
Researchers have developed a novel metasurface-based method to generate terahertz complex vector light fields using surface ...
Asking Eric: I’m ready to retire. But after a lifetime of saving, how do I relax into just spending?
Dear Eric: I will turn 65 in a few months and have announced my plans to retire. I have a long list of things I want to do, and after 50 years of employment and saving, I am well situated for these ...
"St. Andrew's bag": Sun Russia came close to Constantinople
The Russian army cut the highway near the village of Ulakly and advanced westward near the village of Constantinople. This is ...