Related topics: dna sequences

Exploring ancient tuberculosis transmission chains

Tuberculosis (TB) is the second most common cause of death worldwide by an infectious pathogen (after Covid-19), but many aspects of its long history with humans remain controversial. Researchers at the Max Planck Institute ...

Bronze Age women altered genetic landscape of Orkney

An international team led by researchers at the University of Huddersfield has used ancient DNA to rewrite the history of the Orkney islands to show that Orkney actually experienced large-scale immigration during the Early ...

Gene mutation that makes dogs small existed in ancient wolves

Popular belief has been that small dogs, such as Pomeranians and Chihuahuas, exist because once dogs were domesticated, humans wanted small, cute companions. But in the journal Current Biology on January 27, researchers at ...

Prehistoric humans rarely mated with their cousins

Today, more than 10 percent of all global marriages occur among first or second cousins. While cousin-marriages are common practice in some societies, unions between close relatives are discouraged in others. In a new study, ...

Pack rat nests offer first look at ancient insect DNA

For many years, scientists have been extracting DNA from the bones of ancient humans, humanoids and animals to paint a picture of evolution and species movement. Despite what's been portrayed in the movie "Jurassic Park"—in ...

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