Octopuses have three hearts, which is partly a consequence of having blue blood. Their two peripheral hearts pump blood through the gills, where it picks up oxygen. A central heart then circulates ...

Dec 18, 2019 · The discovery of a species of octopus that lives in groups and mates face-to-face is changing our thinking about what cephalopods are capable of

Read Issue #3396 23 July 2022 of New Scientist magazine for the latest news from across the world of science, plus long reads, opinion, analysis, and more

There are many types of waves flowing across the oceans, from small ripples to huge walls of water, 30 metres high peak-to-trough. They are mainly caused by winds, and, if unimpeded, can travel ...

Dec 14, 2009 · Octopuses have been observed carrying coconut shells in what researchers claim is the first recorded example of tool use in invertebrates. “This octopus behaviour was totally unexpected,” …

Sep 23, 2024 · An octopus will work with several different species of fish to find and catch prey - and punch those that aren't helping

Jan 16, 2024 · Four new species of deep-sea octopus have been discovered on underwater mountains around 3 kilometres down in the Pacific off Costa Rica, according to Schmidt Ocean Institute.

Mar 29, 2017 · This octopus seems to be holding the uneaten sticky remains of a jellyfish in its grasp An elusive deep-sea giant has been filmed with its prey for the first time. It turns out it eats jellyfish ...

Jun 3, 2023 · A compound found inside octopus ink has been created artificially in the lab and used to kill cancer cells. The development could eventually lead to new cancer treatments.

May 18, 2023 · Octopuses may have nightmares. That is one possible explanation for some extraordinary behaviour caught by cameras monitoring an octopus in a laboratory aquarium, says …