Mark C. Serreze: Approaching the March Sea Ice Maximum

The floating sea ice atop the Arctic Ocean waxes and wanes with the seasons. The maximum extent typically occurs around the second week of March, at which time ice has historically covered an area a bit less than twice the size of the contiguous … [Read More...]

Bird Fact Friday – the Bald Eagle

Adapted from pages 94-95 of Wildlife of the Arctic:  The Bald Eagle is a magnificent bird, the Nearctic equivalent of the White-tailed Eagle. Adults have a white head (the origin of the name) and white tail, but are otherwise dark … [Read More...]

Martin Rees: Stephen Hawking — An Appreciation

Soon after I enrolled as a graduate student at Cambridge University in 1964, I encountered a fellow student, two years ahead of me in his studies; he was unsteady on his feet and spoke with great difficulty. This was Stephen Hawking. He had recently … [Read More...]

Plants That Kill: Aconite alkaloids

From hemlock and deadly nightshade to poppies and tobacco, poisonous plants have long been used in medicine, rituals, and even warfare. For the next few months, Princeton Nature will be taking a closer look at the evolution, survival strategies, … [Read More...]

Introducing Volume 15 of The Collected Papers of Albert Einstein

From fraudulent science to hope for European reunification, the newest volume of The Collected Papers of Albert Einstein conveys the breakneck speed of Einstein’s personal and professional life. Volume 15 will be out on April 6! THE COLLECTED … [Read More...]

Insect of the Week: the Emerald Ash Borer

Adapted from pages 434-435 of Garden Insects of North America:  The larvae of the emerald ash borer develop under the bark of trees, creating zigzag tunnels through the cambium. Cumulative injuries cause a progressive dieback … [Read More...]

Keith Whittington: The kids are alright

It has rapidly become a common trope that the current crop of college students belong to a generation of “snowflakes.” Unusually sensitive, unusually intolerant, the kids these days are seen by some as a worrying threat to the future of America’s … [Read More...]

Everything to play for: Winston Churchill, the rise of Asia, and game changers

By Dr. John C. Hulsman The ability to know when game-changing events are actually happening in real time is to see history moving. It is an invaluable commandment in the mastering of political risk analysis. To do so, an analyst must adopt an almost … [Read More...]