Category the sieve

Cats and Isotopes

From The Sieve: Cats. The very mention of them has the power to generate innumerable lazy hits on a blog post. If one were to do an anthropological study of cats using only the Internet as source material, one might be lead to believe that we worship them as deities. We wouldn’t be the first […]

Great Moments in Earth History: The Hadean

From The Sieve: No complete rocks have survived to tell of the formative years following Earth’s formation some 4.56 billion years ago. The material that would have existed at that time has been broken apart by the power of wind and water. It has melted and metamorphosed under the immense pressure and heat deep within […]

Great Moments in Earth History: Colonization of Land by Plants

From The Sieve: Up until around 500 million years ago, the continents of Earth were practically lifeless, harboring – at most – slimy mats of bacteria on rocky, barren wastelands. Around this time plants began to creep out of the oceans, gradually developing adaptations that allowed them to expand further and further inland over millions […]

Great Moments in Earth History: The Messinian Salinity Crisis and the Zanclean Flood

From The Sieve: Around 6 million years ago, the Mediterranean Sea became separated from the Atlantic. Cut off from the world’s oceans, it began to evaporate. By 5.3 million years ago, there was literally no sea left. 1000 years later, it was refilled in a geologic instant. (Read More)

Evolution and the Brown Mouse Lemur

From The Sieve: The rainforests of Madagascar highlight, with great clarity, the power the physical environment exerts on evolution. As a study abroad student in the fall of 2006, I was researching the sleep habits of the brown mouse lemur in Ranomafana National Park, a protected tract of land in the high rain-forested mountains of Madagascar’s […]

How to Win an Argument with a Climate Skeptic

From The Sieve: Climate science is an extremely complicated discipline. Climate change skeptics and deniers, I believe, thrive on this complexity. They highlight what is not known or not agreed upon to suggest that the discipline as a whole is flawed. The best way to combat such an argument is with simplicity. In that light, […]

The Rise of the Adirondacks

From The Sieve: The Adirondacks are something of a paradox. Made from some of the oldest rocks on Earth, they are one of the youngest mountain ranges in existence. Pushing their way through the younger rocks of the Appalachians, this jagged, deformed mess of ancient rock, once trapped deep in the crust, has been rising for […]