Last year, 189 countries – home to roughly 65% of the global population – cut themselves off from the world at some point. Borders are now reopening and travel resuming, but normal is a ways off.
Born on July 30, 1920, geologist and cartographer Tharp changed scientific thinking about what lay at the bottom of the ocean – not a featureless flat, but rugged and varied terrain.
When primary school children in a disadvantaged part of Sydney were asked to map what they valued in the area, their choices were revealing and sometimes surprising.
Recently, magnetic compasses at Greenwich pointed directly at true north for the first time in 360 years. This is currently happening in Western Australia too. But what does it mean?
Google, Amazon and other powerful groups are renaming American cities and neighborhoods. That may make the area more appealing to newcomers – but, in many cases, residents aren’t happy.
John Delano, University at Albany, State University of New York
Scientific inspiration struck a geologist after many walks through the woods in New York and New England. These ruins hold the secret of where the compass pointed north when they were built centuries ago.