What is the blood-brain barrier?

Many birds have fabulous plumage to attract mates or send warning messages. Some of the colours in their feathers are produced by microscopic structures on the feather surface that absorb and reflect

After spending over a decade mapping our Milky Way, the European Space Agency’s Gaia satellite is now being put into retirement. The spacecraft has almost depleted its reserves of the cold nitrogen ga

WHETHER BIKING TO CASTLES OR KAYAKING THROUGH GORGES, A TRIP CENTRED ON THIS RIVER IS THE EPITOME OF EUROPEAN ROMANCE.

In the works of Plato, a Greek philosopher who lived around 2,400 years ago, the island of Atlantis was said to have been drowned in the Atlantic Ocean after the hubris of its people angered the Gods.