Martha Henriques

The world-renowned cosmologist's PhD thesis has been made public and has already received hundreds of download requests.

The anaesthetic drug ketamine appears to improve migraine symptoms in 75% of patients. It has also shown promise in treating depression.

Pet dogs use facial expressions to communicate with their owners, a study has found. They only use expressions like 'puppy eyes' when they know a human will witness it.

When rivals hang out with a male coppery titi monkey's mate, it triggers experiences of social exclusion, stress and aggression in the monkeys.

Pressures at school, body image issues and being in a state of 'extreme connectedness' are thought to be behind the trend.

Dolphin and whale societies are about as sophisticated as our own. They talk, have names, form allegiances, hunt together and work with other species. All they lack is thumbs.

Psilocybin makes a brain circuit involved in depression break down and reform. The process relieves symptoms in up to half of people for who standard treatments haven't worked.

But wait – is it really a question of bromance vs romance? Bromances are good for men's mental health, but researchers say this comes at men's girlfriends' expense.

The virus that was used to make the cowpox vaccine didn't come from cows after all. It came from horses, which can suffer a similar condition called horsepox.

Scientists have found a way to predict when Old Faithful will blow its top, sending steam up to 180 feet into the air.

The placebo effect is stronger if people think the treatment they're getting is expensive. Now scientists have shown the nocebo effect is also more potent for expensive drugs.

Neonicotinoids contaminate the majority of honey in the world. Almost half of all honey samples contained more than one neonicotinoid.

Academics suspect that other scholars may be behind the fakes, as they are extremely convincing. Washington DC's Museum of the Bible spent millions on fake fragments before it even opened.

The salamander has an incredible level of detail preserved, including its spinal cord, gut, muscle and glands. Its last meal of a frog is also still visible in its stomach.

In recent decades there has been less and less rain in central India – but the rain that does fall is coming down in increasingly extreme storms.

The meal could have been the ichthyosaur's first and last. Let's hope it was good.

Beaches are leaching highly radioactive caesium.

Hardened arteries - or atherosclerosis - can cause heart attack and stroke.

The battle was a turning point in late medieval Europe.

Excavation of a burial site in Jerusalem also yielded exotic myrtle and date pollen.

The therapy will be trialled on other patients in a vegetative or minimally conscious state.

Three-quarters of cancer patients would like to hear more about cannabis from their doctors.

The psychedelic drugs have a similar structure to medications used to treat cluster headache.

Depression closely tied up with inflammation in the body and brain.

Touching rats' genitals made them grow into sexually mature adults sooner.

Tiny but deadly poison frogs have a clever way to stop themselves falling prey to their own venom.

Entire city was planned on a carefully thought-through grid system.

The figurines were found in the temple of Ptah.

Foreign and local rulers played the game.