Perhaps you’ve read in a biology textbook that humans have the same number of genes as C. elegans, a worm used in scientific research. Perhaps you’d also like to believe that humans are more complex ...
At the dawn of complex life, evolution created a container for DNA, its most treasured item. A few billion years later, 20th-century microscopists looked at this container — the nucleus — up close and ...
Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants. Ten years ago, ...