Nuclear-powered ballistic missile submarine OHIO (SSBN-726) with missile tubes open during pre-commissioning activities. It carriex Trident C-4 (UGM-96) ballistic missiles (Image: US Navy)
THE ability of bacteria to cause lethal diseases might be down to their move from sea to land. A new family tree suggests that the move led to modern microbial traits such as thick cell walls, which are key to survival on land.
Prokaryotic bacteria, the oldest and most basic form of cellular life, come in a variety of shapes and sizes evolved over billions of years. Tracing this evolutionary history has proved difficult because of bacteria’s…
