Modifying memories during sleep could reduce trauma

Scientists are looking to see if they could add positive thoughts to bad memories. Image credit – CC0

Reducing the trauma associated with bad memories while someone is asleep sounds like the stuff of science fiction, but it could become a reality in 10 years thanks to a greater understanding of how the brain encodes memories during sleep. A good snooze is known to be important for forming memories but it is only … Read more

Sleep-deprived brains may be asleep and awake at the same time

Sleep quality as well as duration is the key to beneficial sleep. Credit — Pixabay/ 422737 licensed under CC0

For something that can occupy such a significant chunk of time, sleep still remains a mysterious part of our lives. Although it is known to play a role in mental and physical health, such as metabolism and memory, there is much that is still not well understood. As a general rule, it’s recommended that adults … Read more

Our 10 favourite science facts from 2017

by Zoé de York From rubber dandelions and toxic crustaceans to anti-vaxxers and the world’s hottest geothermal well, Horizon covered a wide variety of stories in 2017. Here are our 10 favourite science facts that we learned along the way. 1. One sugar-cube-sized chunk of a neutron star would weigh a billion tonnes, or as much … Read more

Lifting the red mist with research on aggression

Angry tiger

For most people a bit of healthy aggression can give them a competitive edge, but in some it can spill over into violence and now scientists are hoping to unravel why. Aggression is among the most fundamental of natural behavioural responses seen in all animals. It can help predators secure their next meal and gives … Read more

Human-dog bond provides clue to treating social disorders

Border collie dog and human

The chemistry behind social behaviour in animals, including the bond between people and dogs – and the lack of one between humans and wolves – could help scientists identify new ways of treating social disorders such as autism and schizophrenia. ‘We think that the genetic foundation for social behaviour is very similar in dogs and … Read more