Americans share the same struggles despite deep political divides, new bipartisan report finds

Armed with trail cameras, artificial intelligence, and a powerful national research network, scientists are revisiting Lewis and Clark's legendary journey to see how America's wildlife has changed over the past 200 years.

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⁾ at right angles.

The first day of kindergarten is a momentous occasion for children and families. It's an exciting milestone that comes with new friends, teachers, and learning opportunities. It can also bring parental anxiety about whether their child is ready, especially when it comes to early literacy.