science
Male octopuses have a favourite arm that they mostly use for sex
The third right arm of male octopuses has a specialised role in mating, and the creatures take extra care to avoid damaging it or losing it to a predator Source link
Historians dispute link between drought and rebellion in Roman Britain
A study based on tree rings claimed that droughts played a role in events that led to the Roman withdrawal from Britain, but other researchers say that isn’t backed up by historical evidence Source link
The best kind of olive oil for brain health
The science suggests that olive oil can help us fight cognitive decline and even Alzheimer’s. Columnist Helen Thomson finds that only works if we choose the right kind Source link
The profound effect the heart-brain connection has on your health
Cognitive decline, mental health and heart disease are all shaped by the deep links between heart and brain – with major implications for diagnoses and treatment Source link
The weird physics of plant-based milks is only just coming to light
Experiments on different kinds of milk have revealed that many plant-based milks are non-Newtonian fluids Source link
Read an extract from Kim Stanley Robinson's sci-fi classic Red Mars
This is the opening of Kim Stanley Robinson’s Red Mars, the New Scientist Book Club read for April, as humans come to the planet to settle it Source link
Fossils discovered in Egypt may be the closest ancestor of all apes
Pieces of jawbone and teeth found in Egypt have been identified as a new early ape species named Masripithecus moghraensis, which lived about 17 million years ago Source link
A variety of jungle animals all use one type of tree as a latrine
In the cloud forest of Costa Rica, many canopy-dwelling animals do their business in strangler fig trees, perhaps as a way of leaving messages Source link
How big is a 'shedload'? Let's ask the nuclear physicists
Feedback is prompted by readers to investigate the size of the shed in the term ‘shedload’, and gets down and dirty with particle physics in the quest Source link
Oldest known dog extends the genetic history of our canine companions
The remains of dogs from more than 14,000 years ago have been found in Turkey and the UK, revealing that domesticated animals were spread across Europe by hunter-gatherers Source link