Dr Wouter Vogel, radiation oncologist at the Netherlands Cancer Institute, explained that the reason the glands have gone ...

Throughout the Iron Age, wealthy elites and royals swanned around the Mediterranean decked out in purple robes – although where and how these flamboyant garments acquired their aubergine hues has ...

These spines are very small and closely-packed and end in a fleshy tip covered in mucus glands. They are also strongly ciliated along their shaft. In the living animal (above) the bands show up ...