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Some of the best evidence linking rising carbon dioxide levels to a warmer world comes from the coldest places on earth. Samples of ancient air extracted from deep inside the Antarctic and Greenland ice caps make it clear that CO2 is scarce in the atmosphere during ice ages and relatively abundant during warmer interglacial periods - like...
These scientists aren't the first to look at the chemistry of foraminifera; the fossils are abundant in ancient ocean sediments, so they're a particularly good tracer of the past. But they used a new technique to measure CO2: looking at how much of the element boron was present in the foraminifera's shells. When there's lots of CO2 in the air, there's also more in the top layers of seawater, where the relevant species of foraminifera live. That makes the water more acidic, which in turn makes the tiny animals incorporate less boron into their shells...
This afternoon, Harvard hopes to use its momentum from last Saturday’s win to defeat Holy Cross, before moving on to its second Ancient Eight contest this weekend at Cornell...
Imagine if the Empire State Building were to be placed smack in the middle of Venice or Jerusalem. Jutting out from the ancient streets, a skyscraper of that size would seem absurdly out of sync with the iconic beauty of the cities. Developers would likely never get such a proposal approved. But in Russia the rules are different...
...feels strangely ungrateful for this wealth of observation. Moore's narrator is Tassie, a rootless 20-year-old who signs on as a nanny with an unconventional couple who have adopted a baby. Moore totally overpowers Tassie with her brilliance--observing and recording with the laser eyes of an ancient sibyl, not a Midwestern undergraduate with low self-esteem. As the drifts of perfectly turned moments mount up about the reader's shoulders, along with a corresponding paucity of dramatic incident, forward motion becomes increasingly difficult. Moore is a great writer, but you wish that every once in a while...