Cyanobacterial neurotoxin evolved billions of years ago

Anabaena circinalis, a cyanobacterium that forms coiled filaments.

On the evening of June 5 in 1990, six fishermen prepared a meal of baked fish, boiled rice, boiled potatoes and boiled blue mussels that they had harvested themselves off the coast of Nantucket. An hour after finishing the meal, their mouths started to tingle. Their face, arms, legs and tongue soon went numb. These [...]

The algae's accent

Acetabularia, subtropical green algae from the class of Ulvophyceae.

Different cultures around the world have sought to explain the multitude of human languages. In the Bible you can find the story of the Tower of Babel, set in a time when all of humanity spoke one language. The unity that this common language instilled allowed these people to do great things. But when they [...]

Green eggs power solar salamanders

Close up of a single egg cell containing a salamander embryo and numerous algae growing within the egg. Source.

Scientists from the University of Halifax in Nova Scotia, Canada have discovered photosynthetic algae living inside embryonic cells of the spotted salamander, providing them with extra power like a mean green energy drink. If true, this is the first known example of a vertebrate acquiring a new symbiont. The spotted salamander is a salamander species [...]

North Sea Genomes

Kelp blowing in the "wind" in Diamond Bay. Kelp forests are one of the most productive ecosystems of temperate and cooler seas. Source: saspotato on Flickr

If coral reefs are the rain forests of the tropical oceans, kelp forests are the woodlands of the Northern seas. Kelp is one of the algal species that can survive the harsh conditions of the North Sea that I know and love, together with other hardy seaweeds like bladder wrack. All these seaweeds are part [...]