
Ancient DNA Could Return Passenger Pigeons to the Sky
Genetic engineering could restore the once profuse North American bird after a century or more of extinction

Ancient DNA Could Return Passenger Pigeons to the Sky
Genetic engineering could restore the once profuse North American bird after a century or more of extinction

Poet and Paleontologist: Johann Wolfgang von Goethe
The German lawyer, author, poet, politician and artist Johann Wolfgang von Goethe (born August 28, 1749-1832) was also a mining engineer and quite interested in geology and paleontology.


In Praise of Proofs by Contradiction that Aren't
If you don't know what to do, do something. That's one of my mottos when I teach math (and it's probably good life advice too). Last year, I taught introductory analysis (basically calculus with the juicy bits left in), one of the first proof-oriented classes students take.

Childhood of Tomorrow: the Art of Simon Stålenhag
Some artists find a synthesis of style and subject that causes their work to resonate deeply within us. We experience new memories and ideas while we look at their images.

A Hangout with Google Science Fair in Swaziland
You know what’s awesome? Seeing a bunch of young people at work on changing the world to make it a better place for all. Today, I hosted a Google Science Fair Hangout On Air on Sustainability in Swaziland, and I got to have that privilege.

How 21st-Century Cities Can Avoid the Fate of 20th-Century Detroit
Why we need to embrace new forms of work and stop protecting the old

How the Jaguar Saved My Life [Excerpt]
A love of the jaguar helped inspire one of the world's leading proponents for saving big cats

What Is the Goal of a Math History Class?
I'll be teaching a math history class for the first time this semester. I'm excited to be teaching it, but I've noticed that preparing for this class has been very different from preparing for other classes I've taught, which have all been math content courses.

Science Media Beset With Gender Gaps
In the fall of 2005, I and a couple hundred other new students at Columbia University's journalism school walked into a lecture hall for a series of welcome speeches, and two things happened that impressed me.

The Philosophy of Guessing Has Harmed Physics, Expert Says
As readers of this blog know, late last spring I spoke at a cool conference in England called How the Light Gets In, where I hung out with all kinds of professional reality-ponderers.

Shakespeare and Science, Part 2
Dan Falk discusses his latest book, The Science of Shakespeare: A New Look at the Playwright's Universe

Shakespeare and Science, Part 1
Dan Falk discusses his latest book, The Science of Shakespeare: A New Look at the Playwright's Universe