Alu elements, labeled with green fluorescence in these human chromosomes, make up more than 10 percent of the human genome. (Image from Bolzer et al., (2005) Three-Dimensional Maps of All Chromosomes ...

Although the anatomical differences in echolocation in bats and whales are strong evidence of independent evolution, recent research has found that several genes involved in hearing are nearly ...

We share the planet with a huge diversity of plants and creatures. But we can see similarities between organisms that live continents apart or are very different in other aspects. One reason for this ...

During development, embryonic cells sculpt three-dimensional tissues. Although cell polarity is commonly analysed along one, and sometimes two, dimensions, this perspective illustrates how ...

Species adapt and evolve in strikingly similar or distinct ways. Uncover the different pathways between convergent and divergent evolution. The theory of evolution, worked out in the nineteenth ...