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Nanoparticles and quantum dots are used in LED lights and can also be used to guide surgeons in removing cancer tissue.

Pope Francis opens a global gathering of bishops and lay people to discuss the future of the Catholic Church.

The findings may upend the country's politics, as marginalised groups demand better government job opportunities.

The arrest is the latest in a crackdown against President Kais Saied's opponents.

After facing Islamophobic comments inside India's parliament, Kunwar Danish Ali speaks about a wider climate of hate.

Achieving pharmaceutical sovereignty should be a priority for all developing nations.

US President Joe Biden faces hardening scepticism from Republicans over aid to Kyiv. What does this mean for Ukraine?

Police say 14-year-old shooting suspect appears to suffer from psychological issues and had not taken daily medication.

A cloudburst over Lhonak Lake triggers flooding in a valley located in northeastern Sikkim state.

Manchester United's woes continue as they lose at home to Galatasaray, while Arsenal lose in France to RC Lens.

US lawmakers are demanding probe into allegations that Egypt was involved in bribery scheme with Senator Bob Menendez.

Egypt's regional gas hub ambitions are in jeopardy - but is that temporary or a more structural issue?

US sanctions, indicts Chinese firms, executives said to supply chemicals used to produce highly addictive opioids.

Philippine Coast Guard said three Filipino fishermen died when their boat was hit and sank in disputed sea.

As the war enters its 588th day, these are the main development.

The US House will need to vote for a new speaker after an unprecedented vote removed Republican Kevin McCarthy.

Bus carrying some 40 passengers veered off elevated overpass, plunged about 15 metres and caught fire, officials report.

Kevin McCarthy fails to face down a challenge from a small faction of right-wing conservatives.

The former US president is standing trial, accused of carrying out business fraud in New York.

Doha-mediated deal saw Iran free five Americans in exchange for five Iranians held in the US and transfer of $6bn.

Turkish warplanes strike Kurdish sites for a second time in three days after a suicide attack in Ankara.

Planting trees has been promoted as a method for addressing global warming, but could it do more harm than good?

Government's planned crackdown makes the future of an estimated 1.7 million Afghans in Pakistan uncertain.

Deaths spark political storm, with the opposition accusing the state government and hospital authorities of negligence.

The blaze occurred when a home-made refinery ignited a nearby oil reservoir, leaving victims severely burned.

US president's son has become a favourite subject of criticism for Republican lawmakers and conservative media figures.

Tensions rise after Trudeau announces 'credible allegations' that India agents were linked to Canadian citizen's murder.

Armenia parliament ratifies ICC's founding statute, subjecting itself to court's jurisdiction and vexing Russia.

Since the Tang Dynasty (618-907), China has given or lent pandas to other countries, but now many are headed back home.

Qatari students aim to make 'food accessible to people all over the world' with their 3D printer.

Chaos erupts after gunfire is heard in the late afternoon approaching peak shopping hours at the Siam Paragon mall.

And what could be next for the Russian mercenary group in Ukraine, after Yevgeny Prigozhin's death?

Italian islanders and survivors of two deadly shipwrecks remember the disasters and call for change.

The rise in bedbugs in Paris is linked to increasing travellers and insecticide resistance.

Laptops and mobile phones were taken away as part of the investigation into the media company NewsClick.

People continue to die in the Mediterranean as we are yet to see a coordinated rescue effort and safe migration routes.

An escalation into a conflict in the Western Balkans was averted but the likelihood of future flare-ups remains high.

UN Security Council approves troop deployment, months after Kenya proposed sending 1,000 officers to Haiti.

A decade after two tragic shipwrecks that shook Europe, Lampedusa is at the centre of a humanitarian crisis again.

Startups trying to help African public health systems cater to the needs of everyday people, say they face barriers too.

The top award in physics goes to three scientists for 'experimental methods that generate attosecond pulses of light'.

Fans at the Asian Games were asked to avoid flying balls as 26 sixes were hit into the stands by India and Nepal.

The government declares three days of national mourning following the attack by suspected armed groups near Mali border.

Thousands of police officers take part in operations in dozens of provinces after blast in the capital.

India threatens to revoke the diplomatic immunity of diplomats told to leave if they remain after October 10.

Some of the world's leading cricketers are set to miss the tournament due to injury, drama and in some cases, both.

Turkey has pointed finger of blame at PKK, which has been waging an armed rebellion against Ankara for decades.

Syrian state news agency reported that two injured and material damage sustained in air raid by Israeli forces.

The school planned for Kharkiv will allow students to study in a classroom 'even during missile threats', mayor says.