Researchers have developed a highly sensitive method for detecting environmental hotspots, such as bushfires or military threats, by harnessing the focusing power of meta-optical systems.
Fire and logging are substantially reducing the number of hollow-bearing trees that threatened and critically endangered Australian mammals can use as homes, a new study from The Australian National University (ANU) warns.
It’s now more critical than ever that the people who are actually knowledgeable about the world’s crises speak out and represent that knowledge in public.
The strength of connections, be it human connections within cities, or collaborative networks between cities, has been a key factor in determining how effectively the world's biggest cities have been able to navigate the COVID-19.