内容摘要：isVideoCollection = false; President Donald Trump speaks to members of the media during the installation of a new flagpole on the South Lawn at the White House.

isVideoCollection = false; President Donald Trump speaks to members of the media during the installation of a new flagpole on the South Lawn at the White House.

spoke of his appreciation for the scientists' resilience and commitment as they tracked changes in the ice in Antarctica.as its researchers extract and analyse ice cores to see changes in climate over hundreds of thousands of years.

Those outside the UK can sign up here.with messages sent by the researchers' families and selections of their favourite music.measurement and calculation you undertake adds to the world's understanding of the Earth's fragile systems.

as they measure changes in marine life and the ice linked to climate change.the King praised the work of scientists tracking climate change.

which sends a morale-raising message to remote research stations in the depths of their winter.

a big dinner and watching the same film each year.Arturo Gamboa was arrested on suspicion of murder after witnesses told police he pointed an AR-15-style rifle at the crowd.

The video also shows Gamboa jogging along the protest route and then ducking behind a fence – a move the peacekeeper told detectives he found suspicious.The peacekeeper fired three rounds – fatally wounding Ah Loo and striking Gamboa.

isVideoCollection = false; A makeshift memorial for Arthur Folasa Ah Loo.But the newly released video appears to show Gamboas rifle pointing toward the ground.