A new study illustrates the concept of a domestication triangle, in which human genetics interact with sorghum genetics and the environment to influence the traits farmers select in their crops. The concept gives a more complete systemic picture of domestication.
Normally, bird flu viruses do not spread easily from person to person. But if this does happen, it could trigger a pandemic. Researchers have now explained what makes the leap from animals to humans less likely.
The newly described Kupoupou stilwelli has been found near New Zealand's South Island and it appears to be the oldest penguin known with proportions close to its modern relatives.