Impact Of DNA Damage In Developing Brain Tracked

Impact Of DNA Damage In Developing Brain Tracked

Switching off a key DNA repair system, Xrcc1 , in the developing nervous system was linked to smaller brain size as well as problems in brain structures vital to movement, memory and emotion in new…
Memes, Selfish Genes and Darwinian Paranoia

Memes, Selfish Genes and Darwinian Paranoia

I’m reviewing a book by philosopher of science Peter Godfrey-Smith entitled “Darwinian Populations and Natural Selection.” (This is not the book review, forthcoming.) Godfrey-Smith makes an excellent…
Frankly Embarassing

Frankly Embarassing

The happy nights of Italy's Premier Silvio Berlusconi, now documented in hot recordings taken by Escort Patrizia D'Addario, have by now circled the free world (in Italy they are only available to…
Mitochondria As Regulators Of The Cell Cycle

Mitochondria As Regulators Of The Cell Cycle

Pop Quiz: What is the role of the mitochondria in a cell?Until just a few days ago, the only correct answer to this question would have been #3. The mitochondria of a cell are well recognized as the…
Swimming Through Empty Space

Swimming Through Empty Space

An article in the latest (August 2009) edition of Scientific American describes an astronaut floating motionless with respect to his distant spaceship. He is not tethered to the spaceship and has no…
The Linguist Challenge - Classifying A Click

The Linguist Challenge - Classifying A Click

If you were a linguist, how would you accurately describe 'click' sounds distinct to certain African languages?   It's no easy task but in order to accurately preserve a language like N|uu,…
Announcing The "Where's Garth's Book?" Contest

Announcing The "Where's Garth's Book?" Contest

You're all either old enough or young enough to remember "Where's Waldo?"   It involved a lovable scamp with glasses who would get himself trapped in awfully complex situations and only keen…
Exploratorium: Origins (and Awesomeness)

Exploratorium: Origins (and Awesomeness)

As a science nerd, and as a science nerd with friends who are science teachers, I am always on the lookout for new and interesting ways to expose others to the beauty and wonder that is science and…