The Happy Pod: The dolphins who 'smile' at their friends

Researchers have found that just as we smile at friends, dolphins change their expression too while interacting. Also: the college baseball star with a prosthetic leg and the first robotic double lung transplant.

President Vladimir Putin said Russia had a stock of powerful new missiles "ready to be launched" and promised to carry out more tests including in "combat conditions".

Satellite images indicate that Russia has supplied North Korea with more than one million barrels of oil. Analysts say the oil is payment for weapons and troops North Korea has sent Moscow to fuel its war in Ukraine.

Israel and the United States have strongly criticised the decision by the ICC to order the arrest of Prime Minister Benjamin Netanyahu for war crimes. Neither country recognise the court's jurisdiction.

Israeli politicians denounce ICC decision to issue arrest warrants against prime minister and former defence minister. Also: the UN chief urges negotiators at the climate summit to do more to reach a final deal.

Apple Daily founder, Jimmy Lai, appears in Hong Kong court and denies foreign collusion. Also: Ukraine uses British-made long-range missiles for first time inside Russia, and ‘manifest’ is Cambridge word of the year.

MSF pulls out of Haiti's capital Port-au-Prince after attacks on staff. Also: US approves supply of antipersonnel land mines to Ukraine, why olive oil prices are plummeting and tennis bids adios to Rafael Nadal.

The US has confirmed Ukraine used American-supplied missiles to strike Russia. Also: no charges for the Iranian student who stripped to her underwear, and King Richard III of England 'speaks' again after 500 years.

Russia says Ukraine attacked Bryansk region with US missiles, after restrictions on them were lifted. Also, long jail terms for pro-democracy activists in Hong Kong, and 40 years of searching for extraterrestrial life.

The US envoy to the UN has said Ukraine will get more American security help. Also: the dozens of medics on trial in Turkey over baby deaths, and a Russian company picks a seven-year-old as its future head of training.