A new study indicates that current climate models overestimate the stability of a vital ocean circulation in the North Atlantic. A breakdown could mean a “chaotic” climate in the Nordics, say scientists.
You might think that the heated debate over niqabs, burkinis and other expressions of religious beliefs are a sign of the times. But you would be wrong. As early as the 1600s, major European thinkers disagreed over the meaning of free speech and religious tolerance.