4+ hour, 57+ min ago  (572+ words) Nudibranchs are the jewels of the underwater world. That's not just a nice metaphor: Scientists have now discovered that the vibrant colors of sartorial sea slugs really are made up of thousands of tiny crystals embedded in their skin. Biologists…...

1+ week, 1+ day ago  (830+ words) Off the coast of South Africa, near the fishing town of Gansbaai, two orcas have made a name for themselves worldwide. Their names are Port and Starboard, and on multiple occasions, they've been observed hunting and killing one of the…...

1+ week, 3+ day ago  (576+ words) Sharks in the Bahamas have tested positive for cocaine, a new study concludes. Researchers from the Bahamas, Brazil, and Chile also found traces of caffeine and painkillers in the sharks. This isn't a shift in lifestyle from the animals, but…...

1+ week, 3+ day ago  (325+ words) Migratory freshwater fish populations crucial to river health and sustaining the livelihoods of millions of people are in freefall and risk collapse, a major UN assessment warned Tuesday. Habitat destruction, overfishing and water pollution from the Amazon to the Danube…...

1+ week, 6+ day ago  (629+ words) Comb jellies " very simple, gelatinous creatures best-known for their hypnotic underwater light shows " first appeared in Earth's oceans around 550 million years ago. For a long time, biologists have kind of considered them the living embodiment of 'no thoughts, head empty…...

1+ mon, 3+ week ago  (613+ words) In a controversial study published in April last year, researchers described an astonishing phenomenon: a forest of Norway spruce trees (Picea abies) appeared to 'sync' their electrical signaling ahead of a partial solar eclipse. Now there's a new theory about…...

2+ week, 4+ day ago  (591+ words) The song is that of a humpback whale, a marine giant beloved by whale watchers for its docile nature and spectacular leaps from the water, and was recorded by scientists in March 1949 in Bermuda, said researchers at Woods Hole Oceanographic…...

3+ week, 1+ day ago  (639+ words) The partnership between ravens and wolves goes back to Norse mythology " Odin's birds scouted ahead and led prey to the god's canines, a relationship that provided food for all. The study's findings suggest the birds are doing more than just…...

1+ mon, 1+ day ago  (686+ words) A tiny fish has shown signs of a remarkable level of intelligence in mirror test experiments, not only recognizing itself in the reflection but also using a piece of food to explore how the mirror works. Mirror mark tests are…...

1+ mon, 2+ week ago  (925+ words) In 1532, in the city of Cajamarca, Peru, Spanish conquistador Francisco Pizarro and a group of Europeans took the Inca ruler Atahualpa hostage, setting the stage for the fall of the Inca Empire. Before this fateful attack, Pizarro's brother, Pedro Pizarro,…...