Feature

Lost in Space: Our Sun’s Twin

Ancient Sun-Hole Device Added to Famous Calendars

Shrunken Heads of Sloths Are Trophis of Expedition

New Copper Isotope Revealed by Magneto-Optic Method

Restriction Urged on Use of Poisonous Thallium

Drug Made from Indian Plant Produces Movie-like Visions

Scientist Traces Evolution of Firefly Light Reaction

Recent Volcanic Eruptions May Affect World Weather

Nature Ramblings: The Crow

In Science Fields

Gastric Ulcer Treated with Extract from Hog’s Stomach

First Glances at New Books