Motion Blinds Change Awareness

Motion Silences Awareness of Visual Change

One Way Ticket to Mars

Getting to the planet Mars isn't so difficult, as it turns out - it's coming back that's hard. Are you you willing to permanently relocate? To Boldly Go: A One-Way Human Mission to Mars discusses the possibilities.

Extinctions and Ocean Anoxia

There were a series of massive extinctions during the Cambrian period around 500 million years ago, the period when the first modern animals are found. There is new evidence that the extinctions coincided with dramatic decreases in ocean oxygen levels: Biogeochemistry: Toxic Cambrian oceans in Nature.

Hubble pictures of Hanny

Hubble Zooms in on a Space Oddity has better images of Hanny's Voorwerp.