Now playing Next Sci-tech Cloning giant sequoias to battle climate change California's Sierra Nevada Mountains host the biggest and oldest sequoia on earth, some close to 100m tall and up to 3000 years old. 26/07/2016
Now playing Next Cinema Hold your 'Nerve' in a sinister, adrenalin fulled game 'Nerve' is a science fiction thriller directed by Henry Joost and Ariel Schulman starring Emma Roberts, Dave Franco and Juliette Lewis. 26/07/2016
Now playing Next United Arab Emirates "Completing a dream" Solar Impulse lands after fuel-free round-world-trip The first round-the-world flight powered only by the sun has come full circle. 26/07/2016
Now playing Next Germany Police claim evidence linking Ansbach bomber to ISIL The German authorities claim to have found a video in which the suspected Ansbach bomber pledges allegiance to ISIL militants. 26/07/2016
Now playing Next Japan Deadly knife attack in Japan leaves 19 dead at a care home for the disabled At least 19 people have been killed and another 26 injured some of them seriously at a residential care centre for the disabled in Japan. 26/07/2016
Now playing Next USA A divided Democratic convention kicks off in Philadelphia The Democratic Party convention has opened in Philadelphia with a “unity” theme – but its fallen on deaf ears among supporters of defeated rival Bernie Sanders. 26/07/2016
Now playing Next USA Sparks fly in Chicago as lightning appears to strike rail track People passing by a Chicago train station were in for a shock on Sunday. 26/07/2016
Now playing Next Japan Fifteen killed in knife attack at home for disabled in Japan At least 15 people have been killed by a man wielding a knife at a residential care centre for the disabled in the Japanese city of Sagamihara, which lies just south of… 26/07/2016