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 ...

Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated. Sharks are egg-laying ...

It turns out humans aren’t the only ones checking out what their neighbors are doing when looking for ideas on how to make life easier. All species adapt and evolve in a variety of ways. In fact, ...

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

In a series of three extraordinary papers published between 2004 and 2013, Max D. Cooper and colleagues discovered a new type of adaptive immunity in jawless vertebrates. This revolutionary discovery ...

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 ...