Is this the biggest snake ever? Construction workers discover 10m anaconda on a Brazilian building site

A giant snake measuring 33-feet long has been discovered on a building site in northern Brazil.

The enormous reptile weighing 400kg was found by construction workers following an explosion in a cave in Altamira, Pará.

Footage filmed by one of the workers shows the snake's gigantic body, which measures one metre in diameter.

A video shows the anaconda was chained to a crane and later lifted up to reveal its yellow spotted belly.

One user wrote: the snake that big has probably been alive for a very long time now.

Vincent van Gogh suffered from psychosis in his final 18 months

From 'Starry Night' to 'Sunflowers', Vincent van Gogh's iconic style of painting is instantly recognisable.

While van Gogh was praised as a genius after his death, his mental stability has long been a subject of debate.

Medical professionals and art historians have now concluded that van Gogh suffered from a form of psychosis, although they could not pinpoint the underlying cause of his mental illness.

The theory comes from a group of 35 international psychiatrists, doctors and art historians.

The experts debated their ideas, which were sometimes 'fierce', according to Louis van Tilborgh, a professor of art history.

Study links selfies, happiness

Regularly snapping selfies with your smartphone and sharing photos with your friends can help make you a happier person, according to computer scientists, the authors found that students can combat the blues with some simple, deliberate actions on their mobile devices according to Science daily.

By conducting exercises via smartphone photo technology and gauging users' psychological and emotional states, the researchers found that the daily taking and sharing of certain types of images can positively affect people.

‘Dream lag’ means that we are likely to suffer the same nightmare a week later

It is enough to make you wake up in a cold sweat: that nightmare that just scared the living daylights out of you is likely to recur in a week’s time.

Scientists say we suffer from something called ‘dream lag’ - in which a dream, or nightmare, is repeated five or seven days after we initially have it.

Mark Blagrove, a sleep scientist said: ‘We often tend to dream about what happened yesterday.

Dogs understand what we say AND how we say it

A groundbreaking study to investigate how dog brains process speech has revealed canines care about both what we say and how we say it.

It discovered that dogs, like people, use the left hemisphere to process words, and the right hemisphere brain region to process intonation.

Researchers also say dogs developed the neural mechanisms to process words much earlier than thought.