Scientific American

Two leading theories of consciousness went head-to-head—and the results may change how neuroscientists study one of the oldest questions about existence

National Science Foundation staff were told to freeze outgoing funding days after NSF leadership introduced a new policy that requires that grants be screened for “alignment with agency priorities”

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had supposed

Teens have access to vastly more potent cannabis than their parents had at their age. Parents need to understand the risks, including psychosis

Researchers discover a new color outside the range of human color vision, but you have to laser your retinas to see it

Hypochlorous acid is safe enough to spray in your eyes yet more effective than bleach. Why isn’t it everywhere?