Science activist group says presidential front-runner Nicolas Sarkozy will not ease the current crisis in the French research system

Strain virulence in yeast stems from ability to divide, not grow, new study suggests

ORI finds Steven Leadon guilty of falsifying additional data; Leadon maintains his innocence

Phage and Wolbachia form tug of war to influence arthropod reproduction

Scientists say data are too preliminary to determine whether or not the vaccine actually works

Decree enables French scientists to derive their own stem cell lines from human embryos

Research suggests plants may emit methane, throwing off greenhouse gas accounting

Scientists continue to protest the reform, arguing it puts basic research in jeopardy

New evidence discredits previous assumptions that assigned the role to serotonin

Researchers demonstrate feasibility of altered nuclear transfer to produce ES cells

Launch of 'competitiveness clusters' worries scientists who think academic research is at risk

Tumor stimulation of blood vessel growth may involve the Notch pathway, researchers show

© Mike Quinn, Texas Parks & WildlifeResearchers have identified a molecular pathway possibly linking the Monarch butterfly's central circadian clock to photoreceptors involved in its "sun compass," which is used to orient its flight during migration.1 Steven Reppert and colleagues at the University of Massachusetts Medical School performed three experiments focusing on polarized light inputs.They first characterized a specialized dorsal rim area of the Monarch eye that is monochromatic

System links the migratory butterflies' circadian clock and sun compass

New board wants to replace the contentious director Philippe Kourilsky as soon as possible