LifeLlamas and alpacas carry genes from mysterious ‘ghost’ relatives Preserved DNA from animals that lived over 2400 years ago suggests that present-day llamas and alpacas are descended in part from an extinct population of camelids called guanacos News
HumansRotten fish smell sweeter if you have a specific genetic mutation Odours containing trimethylamine, a compound found in rotten and fermented fish, seem less strong and unpleasant for people with a certain genetic variant News