Latest D. Lawrence Venable Stories
Global warming is giving a boost to Sonoran Desert plants that have an edge during cold weather, according to new research. Although the overall numbers of winter annuals have declined since 1982, species that germinate and grow better at low temperatures are becoming more common. "It's an unexpected result -- that global warming has led to an increase in cold-adapted species," said lead author Sarah Kimball, a research associate at the University of Arizona in Tucson. "Because the winter...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.