Researchers assess effects of a world awash in nitrogen

Humans are having an effect on Earth’s ecosystems but it’s not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another “footprint” humans are leaving behin…

Abundant ammonia aids life’s origins

An important discovery has been made with respect to the possible inventory of molecules available to the early Earth. Scientists led by Sandra Pizzarello, a research professor at Arizona State University, found large amounts of ammonia in a p…

Manipulating molecules for a new breed of electronics

In research appearing in today’s issue of the journal Nature Nanotechnology, Nongjian “NJ” Tao, a researcher at the Biodesign Institute at Arizona State University, has demonstrated a clever way of controlling electrical conductance of a single …

Conceptualizing cancer cells as ancient ‘toolkit’

TEMPE, Ariz. — Despite decades of research and billions of dollars, cancer remains a major killer, with an uncanny ability to evade both the body’s defenses and medical intervention. Now an Arizona State University scientist believes he has an exp…

Seeking social genes

In order understand the evolution of complex societies, researchers are sequencing the genomes of social insects. The most recent data, published this week in the Early Edition of Proceedings of the National Academy of Sciences, come from several sp…

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