New polymer “walks” in light

More than 13,000 Nigerian students currently studying in the United States.

US President Joe Biden meets with NATO Secretary General Jens Stoltenberg before the start of the NATO heads of state summit in Brussels and says he wants "all of Europe to know that the United States is there," with respect to Article 5 of the North Atlantic Treaty. Article 5 provides that if a NATO Ally is the victim of an armed attack, each and every other member of the Alliance will consider this act of violence as an armed attack against all members and will take the actions it deems necessary to assist the Ally attacked.

Netherlands national football coach Frank de Boer at a press conference after Dutch 2-0 win over Austria.

Belgium qualified for the knockout stages of Euro 2021 after pulling off a 2-1 comeback in a game full of drama and emotion against Denmark, who returned to Parken Stadium where midfielder Christian Eriksen collapsed on Saturday. The Netherlands joined them in the last 16 with a game to spare after they eased past Austria 2-0. Get all the analysis with FRANCE 24's Selina Sykes and James Vasina.

Belgium beat Finland and the Netherlands crushed North Macedonia to win all three of their group stage matches. FRANCE 24 Euro's 2021 show also looks at the other results from groups B and C, including an emotional Denmark who qualified for the last 16 with a convincing 4-1 win over Russia. Simon Harding and James Vasina bring you all the analysis.

Mark Rutte said he regretted his government's "poor judgement" after daily coronavirus infection rates rose from a few hundred to over 9,000 in just two weeks.

The recent floods claimed many lives in Germany and Belgium but left the Netherlands relatively unscathed. DW's Bernd Riegert reports on what the country has done to reduce flood risks.

With a new type of simple blood test, Elizabeth Holmes wanted to revolutionize the health care industry. Her company Theranos was a Wall Street darling until it was exposed as a fraud. Now she is on trial in California.

Emmanuel Macron and Joe Biden have agreed that "open consultations" could have prevented the diplomatic row between Paris and Washington over a nuclear submarine deal.

The Dutch public health institute said in a statement that testing was continuing on the samples of 61 people who tested positive for COVID after arriving from South Africa.

The shutdown was initiated over fears of the rapid spread of the omicron variant. Meanwhile, Germany's health minister has ruled out a lockdown before Christmas. Follow DW for the latest.

The Netherlands has become the first European country to enact a strict lockdown over Christmas. Omicron infections are spreading rapidly across the country. All nonessential businesses have been closed until at least mid-January.