BBC News - World BBC News - World Cuba's Raúl Castro hands over power to Miguel Díaz-Canel 19 Apr 2018 at 11:08am For the first time in decades, Cuba has a leader who is not a Castro - but don't expect big changes. Bajau people 'evolved bigger spleens' for free-diving 19 Apr 2018 at 2:49pm In an example of human natural selection, Asia's Bajau people have evolved bigger spleens for diving. Swaziland king renames country 'the Kingdom of eSwatini' 19 Apr 2018 at 12:57pm King Mswati III declares a name change at events celebrating independence and his 50th birthday. Hans Asperger 'collaborated with Nazis' in WWII 19 Apr 2018 at 3:59am A medical journal suggests the renowned autism paediatrician was a Nazi collaborator. Lesbian mums can't register baby in Italy 19 Apr 2018 at 8:31am Officials in Turin say they won't register a boy born to a Turin councillor by artificial insemination. Prince death: No criminal charges to be filed 19 Apr 2018 at 1:54pm No criminal charges will be filed over the death of US singer Prince in April 2016, prosecutors say. Southwest Airlines engine explosion linked to prior accident 19 Apr 2018 at 6:30am Mid-air explosion that blew out a window was similar to a 2016 incident on a Southwest Airlines jet. Texas emergency operator jailed for 911 call hang ups 19 Apr 2018 at 5:27am Crenshanda Williams terminated calls from people including reports of robberies and murders. Syracuse University fraternity suspended over 'extremely racist' video 19 Apr 2018 at 7:53am Students at a New York university were filmed using "extremely racist", "homophobic" language, chancellor says. Iran arrests official after youths dance at shopping centre concert 19 Apr 2018 at 12:30pm The head of Mashhad's Islamic guidance department had authorised a concert at a shopping centre. Banyan: Insecticide 'drip' to save 700-year-old Indian tree 19 Apr 2018 at 8:36am Spread across three acres, the tree is reportedly the second largest of its kind in the world. Nasa's Tess: Planet-hunting satellite lifts off 19 Apr 2018 at 4:42am Nasa's Transiting Exoplanet Survey Satellite (Tess) searches for new planets. Boracay: Paradise islanders fear tourist shutdown 19 Apr 2018 at 12:54pm The Philippine islanders are worried the tourist ban will destroy their livelihoods. The man who made Novichok 19 Apr 2018 at 3:07am The BBC's Steve Rosenberg speaks to a retired Russian scientist who says he made nerve agents. A beginner's guide to negotiating with Kim Jong-un 18 Apr 2018 at 8:06pm Experts explain how Donald Trump might avoid diplomatic gaffes and forge peace with North Korea.