Issue # 216 _ February 2014

Technoscience

Occupation of the Americas

Amerindian genome

volcanoes

Why supervolcanoes erupt

nasa

Antiviral trap in zero gravity

Plant physiology

Large and efficient

More precise measuring

A yardstick for the universe

Pre-Colombian Amazon

Ancient occupation of the Amazon

Biofactories

LED illuminates sugarcane seedling

Muscle contraction

The structure of myosin V, now complete

Salicornia

Fuel from seawater

Seasons

Sunbathing reduces blood pressure