Weeds that swim for fishes that don’t

Weeds that swim for fishes that don’t

Far out to sea there float patches of ‘seaweeds’ called sargassum – forms of macroalgae that possess floating bladders. Although sargassum is particularly associated with the Sargasso Sea, east of the Caribbean, it is widespread across the oceans in lesser...
The lion in a new spotlight

The lion in a new spotlight

Note to readers: Biological Expositions is a series of blog-posts each of which is equivalent in content to a book chapter. If bio-bullets are likened to a starter, blog-posts could be seen as a light lunch and Biological Expositions as a three course meal. We look...
Yours Cuprically

Yours Cuprically

Some enzymes have bluer blood than others and this antioxidant is more electric than most. Robin: Welcome to you, Copper, in our interview series here at Exploring the Bio-edge. From time to time we feature trace elements of metabolic importance and you’re certainly a...
Arboreal reflections of amphibian eyes

Arboreal reflections of amphibian eyes

Frog eyes © Pdunant The bulging eyes of water and tree frogs differ more than they look.  Prof. Mumblebard claims: “Semi-aquatic frogs have dorsally protuberant eyes placed above the level of the skull. This allows the animals to hide in water while spotting any...