A research group has developed a new method for selectively synthesizing three-dimensional macrocycles,⁽¹⁾ in which four panels are arranged in a square, by connecting planar π-conjugated molecules⁽²⁾ ...

Gov. Gavin Newsom declared a state of emergency on Saturday in response to the ongoing response to the chemical incident in Garden Grove. Roughly 40,000 people are under an evacuation order after a ...

This refers to restating or rephrasing the question or prompt in your own words to ensure that you understand it correctly. Provide a clear and concise answer to the question or prompt. This is the ...