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Corrections: Dioxin Digest

Correction: Natural Mars Laser: A Beacon for SETI?

Stray Jets: The Human Factor

The Northern Lights: In the Daytime

PET Scans Brain Pathways

Arctic Evolution for Land Plants, Animals?

A Possible X-Ray Lasing Transition

Monkeying with Mother-Infant Bonds

NIH Is Sued over Gene-Altering Issue

Fetal Vaccination Found Possible

Pesticides: The Human Body Burden

NAS Panel Sees ‘No Scientific Need’ Yet for a U.S.