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Inside the bodies of humpback whales are clues abouthow climate change is transforming Antarctica. In the rich, freezing seas off the peninsula, penguins,seals and many whales feed on Antarctic krill. These diminutive, almost unimaginably numerous,shrimp-like creatures thrive under sea ice. As the climate warms up, scientists are racing tounderstand what that means for this ice-dependent food supply.

A performance simulator facility has been developedto allow musicians to practise performance inreal-world conditions - even with reactive virtual audiences and audition panels. The Royal College of Music, London, uses the lab totrain and refine skills of musicians in stage presence,communication and stress management. BBC Click has visited the lab to see how it is puttingmusicians to the test.

Four hostages kidnapped by Hamas from the Novamusic festival on 7th October have been rescued in adaylight raid in central Gaza,as scores of Palestinianswere killed by Israeli attacks in the same area. Noa Argamani, 26, Almog Meir Jan, 22, Andrei Kozlov,27, and Shlomi Ziv, 41, were freed during a "high-risk,complex mission" from two separate buildings in theNuseirat area, the Israel Defence Forces said. The IDF said the released hostages were all in goodhealth. They were reunited with their families at al medical centre near Tel Aviv. Dozens of Palestinians, including children, were killedby Israeli forces in the area where the operation took place. Two hospitals in Gaza said they had recorded 70bodies while Hamas's government media office said at least 210 people had been killed. Israel Defence Forces spokesman Daniel Hagari saidCogat, the Israeli defence ministry body in charge ofcivilian policy in the occupied West Bank and Gaza,estimated there had been fewer than 100 casualties. Clive Myrie presents BBC News at Ten reporting by Hugo Bachega.

Voters across Europe are heading to the polls, withnearly two million additional teenagers eligible to cast their ballot for the first time. Changes to the law in some EU countries mean 16 and17 year olds in Belgium, Germany, Austria, Greece and Malta are able to take part. In the 2019 European elections, young people turnedout in record numbers, their votes goingoverwhelmingly to green parties. This time opinion polls suggest the far right will makesignificant gains - helped by unprecedented support from younger voters.

The US has told Israel it must nẹ fully "transparent"over an air strike that reportedly killed at least 35people at a central Gaza school packed with displaced people. Local journalists told the BBC a warplane had fired twomissiles at classrooms on the top floor of the school inthe Nuseirat urban refugee camp. The Israeli military said it had conducted a "precise"strike on a "Hamas compound" in the school, butGaza's Hamas-run government media office denied the claim. The US called on Israel to identify publicly the Hamasfighters it said it had killed - just as the Israeli militarygave the names of nine of them.

Russia is the most sanctioned economy in the world - yet this year Russia is set to grow faster than alladvanced economies, according to the International Monetary Fund. The International Monetary Fund (IMF) expects Russiato grow 3.2% this year, significantly more than the UK,France and Germany. Vladimir Putin is hosting an International EconomicForum in St Petersburg, where it's claimed thatdelegates from more than 130 countries and territories are taking part.

Pro-democracy activists in Sudan claim that about 40people were killed in "violent artillery fire" when theparamilitary Rapid Support Forces (RSF) shelledKhartoum's twin city of Omdurman. The RSF are also accused of carrying out a "massacre"on Wednesday, where at least 150 people died. TheRSF has not commented on the accusations. The fighting that has erupted in the Sudanese capital,Khartoum, and elsewhere in the country is a directresult of a vicious power struggle between the regulararmy and a paramilitary force called the RSF.

The UK's prime minister, Rishi Sunak, has said it was a"mistake" to leave D-Day commemorations in France early. Mr Sunak returned to the UK early on Thursday, fromevents in Normandy marking the 80th anniversary of the D-Day landings. It later transpired he'd taken part in an ITV election interview. After apologising, Sunak says people "can judge me bymy actions when it comes to supporting the armed forces". The UK will hold a general election on Thursday 4 July,which all parties are currently campaigning for.

A warning that some will find this report distressing. Myanmar's military junta government is facing anarmed challenge to its rule in several parts of the country. In the Chin state in the west of Myanmar, ethnicresistance groups have managed to push the militaryjunta out of several areas near the country's westernborder and battles are currently raging as they fight togain control of more territory. The BBC has had rare access to the state and hasseen evidence of how the Burmese army havelaunched a campaign of torture, abduction and murder to stop youngsters from joining rebel fighters. Myanmar's military is yet to respond to the BBC'squestions about these allegations. The BBC's Yogita Limaye reports from western Myanmar.

Argentina's President Javier Milei has denied that it isordinary Argentines who are paying for his radical austerity measures. In a BBC interview, Mr Milei, who campaigned with achainsaw to symbolise his desire to slash publicspending, insisted that the political class were payingfor his huge cuts, not the people. The right-wing economist was voted in after years ofhigh government spending and high debt. He spoke to the BBC's South America correspondent,Ione Wells, on 6 May 2024.

President Vladimir Putin has claimed that Russia won'tneed to use nuclear weapons to achieve victory in Ukraine. Ever since Russia'sinvasion of Ukraine, Moscow hasbeen engaged in nuclear sabre-rattling, dropping aseries of hints that trying to defeat a nuclear powerlike Russia could have disastrous consequences. However the Russian President did not rule outMoscow carrying out a nuclear test. He was speaking at an economic forum in St Petersburg. Jane Hill presents BBC News at Ten reporting by Steve Rosenberg.

Leading figures from the seven UK political partieshave taken part in the BBC election debate. The politicians clashed over the economy, armedaforces, NHS, immigration and climate policy. The line-up included Conservative's Penny Mordaunt,Labour's Angela Rayner, Stephen Flynn from theScottish National Party, Liberal Democrat's DaisyCooper, Green Party's Carla Denyer, Plaid Cymru'sRhun ap lorwerth and Nigel Farage of Reform UK. Mordaunt said UK PM Rishi Sunak was "completelywrong" to leave D-Day events early - which the PMearlier admitted was a "mistake".

Representatives from the major parties in Great Britainfaced each other in a seven-way debate ahead of the UK general election on 4 July. Conservative's Penny Mordaunt, Labour's AngelaRayner, Stephen Flynn from the Scottish NationalParty, Liberal Democrat's Daisy Cooper, Green Party'sCarla Denyer, Plaid Cymru's Rhun ap lorwerth andNigel Farage of Reform UK joined the BBC election debate on Friday night. The politicians answered questions from the audienceon topics including immigration and the NHS, andclashed over the armed forces and climate policy.

The American Boeing company has launched itsStarliner capsule towards the International SpaceStation (ISS) with two Nasa astronauts aboard. It's the first time the vehicle has been entrusted tocarry people after coming through a long and tortuous development programme. Butch Wilmore and Suni Williams will be testing thecapsule on a mission that's expected to last just over aweek. Starliner is scheduled to dock with the space station on Thursday.

US President Joe Biden has drawn parallels betweenRussia's invasion of Ukraine and World War Two, in aspeech commemorating the 80th anniversary of D-Day. He described the conflict as being part of an unendingstruggle between dictatorship and freedom. On 6 June 1944, tens of thousands of soldiers landedon five beaches in Normandy, northern France. The largest amphibious invasion in the history ofwarfare played a crucial role in the defeat of Nazi Germany. Other leaders present at ceremonies on Thursdayincluded French President Emmanuel Macron, KingCharles III and Canadian Prime Minister Justin Trudeau.

Eighty years ago on 6 June, D-Day, the largest land,air and naval operation in history was unleashed to fightthe Nazis - led by a group of British troops whocrash-landed in Normandy in six flimsy gliders. In 1984, the man who led this mission gave anextraordinary account to the BBC.

New advancements in artificial intelligence have thecapacity to deliver major breakthroughs in cancer therapy. Al-powered protein design company Profluent used Alto make an open-source gene editor called OpenCRISPR-1. OpenCRISPR-1 can create molecules with the power toedit the human genome, according to Profluent. Profluent's aim is to develop gene editors that aremore operative than existing biological mechanisms,especially mechanisms that prevent illnesses like cancer and fight viruses. Al presenter Priya Lakhani joins The Context to explainthis development in health and technology.

Events are taking place in France and the UK to markthe 80th anniversary of the Allied invasion of France. US President Joe Biden and King Charles III are amongworld leaders attending ceremonies. On 6 June 1944, tens of thousands of soldiers landedon five beaches in Normandy, northern France. The largest amphibious invasion in the history ofwarfare played a crucial role in the defeat of Nazi Germany. Please subscribe here. #DDay #WorldWarTwo #BBCNews

An Israeli air strike. On UN school packed withhundreds of displaced people in central Gaza haskilled at least 27 people, local officials say. The Israeli military said it carried out a strike on a UNschool that housed a "Hamas compound". Local journalists told the BBC that an Israeli warplanefired two missiles at classrooms on the top floor of theschool in the Nuseirat refugee camp. The Hamas media office has accused Israel ofcommitting a "horrific massacre". In a statement, the Israel Defense Forces (IDF) saidjets had conducted a "precise strike on a Hamascompound embedded inside an Unrwa school in the area of Nuseirat".

Nvidia's market value has surged past $3tn (£2.3tn),lifting the chip giant ahead of Apple to become thesecond most valuable publicly listed company in the world. The firm's share price rose more than 5% on Wednesday, to more than $1,224. It extended a breathtakingly rapid climb that startedlast year, powered by bets that the US firm ispositioned to be a major winner from a wave ofinvestment in artificial intelligence (Al).

A mother whose son killed himself just six hours afterbeing targeted by "sextortionists" is campaigning to raise awareness. Jordan DeMay died in 2022 after brothers Samuel andSamson Ogoshi targeted him from Lagos, pretendingto be an attractive girl his age, and then blackmailedhim with explicit images of himself. Now, his mother, Jenn Buta, is using the TikTokaccount Jordan set up for her to warn young peopleabout such criminals, largely based in Nigeria - and her videos have more than a million "likes". Nigerian police have told BBC News any suggestionthey are not taking the crimes seriously is "laughable".

France and Britain are holding commemorationsmarking the eightieth anniversary of the D-Daylandings during the Second World War. In Portsmouth in England, King Charles called on people to live up to the freedom soldiers died for,paying tribute to surviving veterans. In France,President Macron also evoked the spirit of sacrifice at a ceremony in Brittany. The D-Day landings saw troops from the UK, US,Canada and France attacking German forces inNormandy, northern France, during World War Two. It was the largest seaborne invasion ever attempted,and marked the start of the campaign to liberateNazi-occupied north-west Europe.

Boeing's Starliner has lifted off from the KennedySpace Center in Cape Canaveral, Florida. The past two attempts to launch a crewed Starliner tothe International Space Station (ISS) were abortedbecause of technical problems. NASA astronauts Butch Wilmore and Suni Williams areriding aboard the Starliner capsule on a journey thattakes them to the International Space Station.

United Nations Secretary General António Guterressaid the world's fossil fuel industries should be banned from advertising to help save the world from climate change. Mr Guterres called coal, oil and gas corporations the"godfathers of climate chaos" who had deceived the public for decades. Just as tobacco advertising was banned because ofthe threat to health, the same should now apply to fossil fuels, he said. His remarks were his most damning condemnation yetof the industries responsible for the bulk of global warming. They came as new studies showed the rate ofwarming is increasing and that global heat records have continued to tumble.

President Joe Biden has issued a sweeping executiveorder aimed at curbing record migrant arrivals at theUS-Mexico border that have left him politicallyvulnerable in an election year. Under the order, which took effect at midnight, officialscan quickly remove migrants entering the US illegallywithout processing their asylum requests. Rival Republicans say Biden has not gone far enough,while some of the president's Democratic allies - andthe United Nations - have expressed concern. A spokeswoman for the UN's refugee agency saidthose fearing persecution should have access to safe territory.