How many hearts does an octopus have? - New Scientist
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 …
Octopuses were thought to be solitary until a social species turned …
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
Octopuses use coconut shells as portable shelters - New Scientist
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 …
Issue 3396 | Magazine cover date: 23 July 2022 | New Scientist
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
Science questions | Page 2 | New Scientist
Question Why do dogs eat grass? Question How many hearts does an octopus have? Question What causes waves in the ocean? Question How far does a sneeze travel? Question Why do …
What causes waves in the ocean? - New Scientist
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, …
Compound found in octopus ink kills cancer cells but not others
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.
Covid raises risk of heart issues in children more than vaccination ...
Nov 4, 2025 · Getting covid-19 for the first time slightly increased the risk of heart inflammation, blood clots and bleeding disorders among children, whereas being vaccinated against the …
Giant octopus wears jellyfish cape after it devours its owner
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 …
Octopuses and fish hunt as a team to catch more prey
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