scientificamerican
42h ago
6°
COVID cases are on the rise—here’s how to stay healthy this winter
The virus is currently most prevalent in California and the southern U.S., but experts expect it to go national in the coming weeks
scientificamerican
42h ago
6°
9 ‘boundaries’ keep Earth livable. We’ve breached 7 of them
Earth’s annual checkup shows that we’re at increasing risk of moving away from the environment we’re adapted to
scientificamerican
23h ago
6°
Mathematician reveals the truth behind the Parthenon’s optical illusion
The Parthenon sits atop a platform that is curved into a subtle hill shape that some say makes the structure appear straighter—but is that true?