Like spiders and scorpions, harvestmen are members of the group of invertebrates known as arachnids. Brian Murray is one of the founders of the microWild project, a native wildflower meadow and invertebrate reserve in Co. Wicklow, and he has managed to discover a species of harvestmen that had...

Derek is joined by Éanna Ní Lamhna, Richard Collins & Niall Hatch to discuss rodenticide, harvestmen and a leatherback turtle stamp.

Sea turtles are amongst the most threatened creatures on the planet. A new series of postage stamps issued by the United States Postal Service aims to raise awareness of this issue and one of the photos chosen for the campaign was taken by Irish marine biologist Rowan Byrne.