
CO2 Levels above 400 PPM Threshold for Third Month in a Row
Atmospheric concentrations of the greenhouse gas, which helps drive global warming, haven’t been this high in somewhere between 800,000 and 15 million years

CO2 Levels above 400 PPM Threshold for Third Month in a Row
Atmospheric concentrations of the greenhouse gas, which helps drive global warming, haven’t been this high in somewhere between 800,000 and 15 million years

Should Prisoners Be Used in Medical Experiments?
History is rife with unethical experiments on inmates. But with proper safeguards prisoner studies may hold the key to the accurate representation of vulnerable groups and lead to health benefits


Technology Historian Crushes Internet Myths
As readers of this blog know, since 2005 I’ve been teaching at Stevens Institute of Technology in Hoboken, New Jersey. One of the best parts of being an academic is hanging out with cool (compared to me), young (compared to me), up-and-coming scholars, some of whom know far more about the history of science and [...]

Decoding Mexico's City of Gods
Long cloaked in mystery, the ancient Teotihuacán culture is at last giving up its secrets

Archaeologists Edge Closer to Solving the Mysteries of Teotihuacán
After decades of investigation, fresh clues are emerging from Mexico’s City of Gods

Review: The Chemistry of Alchemy
Recommendations from Scientific American

From the Archives: Nobel Prize Winners on How the Body Works
Nobel Prize winners have published 245 articles in the pages of Scientific American. Here we present excerpts from stories in our archives that highlighted new insights into how the body functions.

The First World War
A Centennial Commemoration

Urban Science Adventures: 100+ Things to Do Outside
It’s summer. The kids are out of school. You want to keep them engaged and active. Most parents also want to keep them on track academically, but not necessarily with a strong hand approach to learning.

The Top 5 Paleoart Books You Should Own
Protoceratops © by John Conway, from All Yesterdays As someone fascinated by prehistoric life during my entire existence, my love for paleoart is experiencing something of a renaissance: I have children now.

An Introduction to Open Peer Review
Last post we talked about traditional peer review, which is at least single-blinded. This time we will focus on Open Peer Review (OPR). The narrowest way to describe OPR is as a process in which the names of the authors and reviewers are known to one another.

Philosophy Begins Where Physics Ends, and Vice Versa
Physicist Sean Carroll has some words of wisdom for physicists who might have less than complimentary things to say about philosophy. The most recent altercation between a physicist and philosophy came from Neil deGrasse Tyson who casually disparaged philosophy in a Q&A session, saying that it can be a time sink and it doesn’t actually [...]