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The mystery of Mayotte

In May 2018, something very curious happened. The marine area immediately to the east of Mayotte, the easternmost major island in the Comoros chain, became seismically active.

Rossel & Co.

When I first began working in the eastern part of Papua New Guinea, I was struck by the quite aggressively English names of the major features of its geography. But then, as our project moved offshore, a French influence began to appear.

The Aves Ridge and the migration of mammals

The leading article in the November 19 issue of Eos was entitled “By Land or Sea: How Did Mammals Get to the Caribbean Islands?” Could gravity maps have anything to tell us about the possibilities?

How to appoint a President

The one saving grace of the Trump onslaught on the US election results is that his preferred medium is still Twitter, which limits him to just a few words at a time. Ayn Rand’s heroes acknowledged no such limitation, but in his 57-page rant against government John Galt still had to acknowledge the need for a government of sorts. How to choose it? A problem he never addressed.