Study of DNA flags could reignite centuries-old evolution debate

Charles Darwin (left) and Jean-Baptiste Lamarck (right) are the faces of the earliest debate about evolutionary research.

Evolution could be partly based on environmental adaptation and not just random mutations, re-opening a centuries-old debate between Charles Darwin and Jean-Baptiste Lamarck, according to Professor Thomas Carell from Ludwig Maximilian University in Munich, Germany. He studies the way our genes are switched on and off over our lifetimes – a process known as epigenetics. How has … Read more

Skeleton teeth and historical photography are retelling the story of the plague

Scientists have unearthed photographs taken in countries including China during third plague pandemic, which killed 12 million people between the mid-19th and mid-20th centuries.

New portraits of the evolution of some of history’s deadliest pandemics have been created through analysis of thousands of skeletons and new collections of historical photographs – and the results could indicate how similar diseases may evolve in the future. Genetic material from infectious diseases such as tuberculosis and the plague leave fossil traces of … Read more