When fish swim in the holodeck

The earliest introduction of domestic chickens and black rats from Asia to the east coast of Africa came via maritime routes between the 7th and 8th centuries AD.

A plant has one genome, a specific sequence of millions of basepairs of nucleotides. Yet how this genome is expressed can vary from cell to cell, and it can change as a plant goes through various life stages, from germination to vegetative growth to flowering to dormancy.

Very large yet faint galaxies have been found where no one would have expected them - in the middle of a giant galaxy cluster.

Scientists at the University of Bristol are investigating how bacteria in our mouth can cause a heart problem, called infective endocarditis.