BBC

One patient had "no doubt" that the Sheffield-designed collar had improved his quality of life.

Strong winds from Storm Alberto have caused a small waterspout in a swimming pool in Panama City Beach, Florida.

Strong winds from Storm Alberto have caused a small waterspout in a swimming pool in Panama City Beach, Florida.

Jon Tyler is an Antarctic guide, showing scientists how to survive the extreme environment.

Jon Tyler is an Antarctic guide, showing scientists how to survive the extreme environment.

Scientists have tried to measure how dolphins at a French marine park feel about their environment.

Scientists have tried to measure how dolphins at a French marine park feel about their environment.

Animal welfare researchers measure how captive dolphins feel about their environment.

Animal welfare researchers measure how captive dolphins feel about their environment.

Read the experiences of the four surviving astronauts to have set foot on the lunar surface.

Read the experiences of the four surviving astronauts to have set foot on the lunar surface.

Environment Secretary Michael Gove launches a review of the country's protected landscapes.

The fourth man to walk on the Moon became an accomplished painter, finding inspiration in space.

Environment Secretary Michael Gove launches a review of the country's protected landscapes.

Red-hot rivers of lava and clouds of ash can be deadly - but death by volcano is not inevitable.

Red-hot rivers of lava and clouds of ash can be deadly - but death by volcano is not inevitable.

The fourth man to walk on the Moon became an accomplished painter, drawing inspiration from space.

The UK entrepreneur puts himself through a gruelling training programme so he can rocket to space.

The UK entrepreneur puts himself through a gruelling training programme so he can rocket to space.

State wildlife experts are seeking DNA analysis to pinpoint the mysterious creature's species.