fill an approximately 25-million-year gap in knowledge by reconciling the molecular clock—or pace of evolution—with the fossil spore record—the physical evidence of early plant life gathered by ...

Once nuclear power plants have reached the end of their nominal licensed operating life, they must undergo special safety reviews and ageing assessments of their essential structures, systems and ...

Home to a variety of plant life, including floating pond lilies, cattails, cypress, tamarack, and blue spruce, wetlands support diverse communities of invertebrates, which in turn support a wide ...

But, until recently, there weren't precise figures to quantify the diversity of plant life on islands. A study involving an international team of scientists has filled this gap. The researchers ...