Going up the food chain, the scientists observed that there was little chance that the most closely related wasps feed on the same species of aphid. This is explained by the fact that under the ...

They employed phylogenetic analyses and DNA microsatellites to show that while lumok and pingan are closely related, they are genetically distinct species. The scientists recommend that the trees ...

Just as bird watchers may use binoculars to add to their species lists ... the scientists have built the largest and most detailed bird family tree to date—an intricate chart delineating ...