Latest Christopher A. Cullis Stories
Researcher challenges peers to repeat controversial findings If a person were to climb a towering redwood and take a sample from the top and bottom of the tree, a comparison would show that the DNA are different. Christopher A. Cullis, chair of biology at Case Western Reserve University, explains that this is the basis of his controversial research findings. Cullis, who has spent over 40 years studying mutations within plants, most recently flax (Linum usitatissimum), has found that the...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.