Archive of articles published on the 30th of April 2013

Does antimatter fall up or down?
VLA gives deep, detailed image of distant universe
Saturn's youthful appearance explained
Canada's distinctive tuya volcanoes reveal glacial, palaeo-climate secrets
Carnegie Mellon develops zooming technique for entering text into smartwatches
Penn research helps to show how turbulence can occur without inertia
A text message a day keeps the asthma attack away
In the Northeast, forests with entirely native flora are not the norm
Mast cells give clues in diagnosis, treatment of dengue
Electron-beam pasteurization of raw oysters may reduce viral food poisoning
Economics influence fertility rates more than other factors
Zinc: The Goldilocks metal for bioabsorbable stents?
Behavior of seabirds during migration revealed
How petals get their shape
Cheating favors extinction
Rice study: Professional culture contributes to gender wage inequality in engineering
Finding a sensible balance for natural hazard mitigation with mathematical models
The underground adventures of the Mediterranean frog Rana iberica
Shifting the burden of recycling
Agencies should use common approach to evaluate risks pesticides pose to endangered species
UMass Amherst biologists propose a new research roadmap for connecting genes to ecology
Environmental labels may discourage conservatives from buying energy-efficient products