Nice site about minerals from San Diego Natural Museum.

Sciencestage.com offers science television – many good videos all in one place. Here is a video of Paul Sereno talking about digging up dinosaurs.

Via NYTimes: ….In the current issue of the journal Science, paleontologists report on the fossilized remains of a newly discovered mammal from the Mesozoic era, some 123 million years ago. The snouty, 3-ounce, chipmunk-size animal, named Maotherium asiaticus, lived in what is now northeastern China and darted around the feet of the dominant dinosaur overlords, as mammals had been doing for some 100 million years. What makes this proto-Alvin noteworthy are its ears: the crisply preserved fossil indicates that Maotherium’s middle ears were of a middling sort, half mammal and half reptile. Given the timing of the fossil, and evidence…

10 of the most interesting rock formations….