DNA :: Underground air might cause DNA damage

Our everyday environments are full of airborne particles that are harmful to varying degrees when inhaled. Particularly damaging to our cellular DNA are the particles from the underground system in Stockholm, Sweden, according to a new doctoral thesis from Karolinska Institutet.

Geology :: January-February 2007 GSA BULLETIN media highlights

Geology topics of interest include: Two New Zealand supervolcanoes that erupted only days or weeks apart; remarkably detailed K-T boundary evidence from the tropical Atlantic’s Demerara Rise supporting a single impact event; and human impact on continental erosion and sedimentation.

Gene :: Plants, plasmids and possibilities – Methods permit functional gene studies in plants

Decaffeinated coffee plants, pest-resistant cotton, and Vitamin A-producing rice varieties have all been developed by introducing genes into plants. Scientists also create modified plants to identify and characterize the functions of specific genes. The current issue of Cold Spring Harbor Protocols — released online today — includes a set of techniques for the creation of transgenic plants.

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