Where's Tommaso?

Where's Tommaso?

March is here, and with it begins a season of intense travel for me - something which for some combination of reasons has become sort of a habit. First, workshops and conferences are rarely scheduled…
The Azolla Event: when is a fern not a fern?

The Azolla Event: when is a fern not a fern?

This plant above is what is regarded as a typical fern. However, a quite different looking type of fern played an important role in the development of Earth’s climate around 49 million years ago.…
Betelgeuse, Gamow, and a Big Red Horse

Betelgeuse, Gamow, and a Big Red Horse

There has been a lot of talk recently of Betelgeuse possibly going supernova this century or not long after.  The basis of this is a paper referenced in this article: Betelgeuse is almost 50%…
April Plans

April Plans

A long time ago, this column used to report a lot of detail of my personal life and of daily news about my work-related travel and activities. The site does offer two modalities for posts: article-…
Climate Change, the Walrus and the Carpenter

Climate Change, the Walrus and the Carpenter

I have recently watched two videos on climate change by Sabine Hossenfelder.  The first one deals with the understanding of the greenhouse effect.  It is far from being as simple as taught…