Is there red soil on Mars? (as proof of water and vegetation)

Is your phylogeny informative? Measuring the power of comparative methods

Ising Models for Inferring Network Structure From Spike Data

Ising models for networks of real neurons

Islands of the Arctic

Isolation and characterization of ancient hydrocarbon biomarkers from crystalline minerals

Isolation of an Extremophilic Cyanobacterium Using Low Earth Orbit as a Selection Factor

Isolation of rpoB Mutations Causing Rifampicin Resistance in Bacillus subtilis Spores Exposed to Simulated Martian Surface Conditions

Isoprenaline increases Excursive Restitution Slope in the Conscious Rabbit with Ischaemic Heart Failure

Isoprene and acetone concentration profiles during exercise on an ergometer

Isotope Signatures of Lipid Biomarkers from Terrestrial and Deep-Sea Hot Springs

Isotopic composition of Antarctic Dry Valley nitrate: Implications for NOy sources and cycling in Antarctica

Isotopic Composition of Methane and Inferred Methanogenic Substrates Along a Salinity Gradient in a Hypersaline Microbial Mat System

Isotopic Effects and Kinetics of Nitrogen Fixation by Hyperthermophilic Methanogen: Insight into Nitrogen Biogeochemistry in the Contemporary and Ancient Hydrothermal Ecosystem

Isotopic Effects of SN Al-26 Injected into the Forming Solar System and Observable Proxies for Al-26 in Supernova Remnants

Isotopic Segregation of Molecular Hydrogen on Water Ice Surface at Low Temperature: Importance for Interstellar Grain Chemistry

Isotropic-nematic phase transition in amyloid fibrilization

ISS qualified thermal carrier equipment

ISS utilization and countermeasure validation: Implementing the critical path roadmap to reduce uncertainties of extended human spaceflight expeditions

ISS: A Science Classroom for America