Yemeni children in the city of Taez listen to their teacher this month in a destroyed classroom at their school which was heavily damaged in an air strike during fighting between the Saudi-backed government forces and the Huthi rebels. Photograph: Ahmad Al-Basha/AFP/Getty Images

Two decades ago, nearly 10 million children did not live to see a fifth birthday. By 2017, that number – about 1 in every 16 children – was nearly cu(...)

You may or may not have heard of Gab, a social networking site that touts itself as an alternative to Twitter, “champion[ing] free speech, individual (...)

It has taken three satellite experiments over two decades to accurately measure the cosmic microwave background, thousands of scientists have painstakingly built their careers on this endeavour and books have been written

We have one universe, but at present different determinations of its rate of expansion, which simply do not agree. This constitutes a puzzle, the reso(...)

US president Donald Trump and North Korean leader Kim Jong-un standing on North Korean soil  in the Demilitarized Zone (DMZ) in Panmunjom, Korea. Photograph: Brendan Smialowski/AFP/Getty Images

North Korean state media celebrated Kim Jong-un’s latest meeting with Donald Trump, underlining concerns that the US president has helped burnish the (...)

A new mission hopes  to one day form the basis for a contingency plan to save humanity from the fate of the dinosaurs.  File photograph: Getty Images

A select group of scientists, astronomers and engineers have been meeting in Laurel County, Maryland, weekly to plan an unprecedented space mission. T(...)

It’s possible psilocybin drugs could soon be part of a psychiatrist’s armoury.  Photograph: iStock

Down an Irish country lane in a secluded private home, men and women form two lines. Then, under the Christian Cross of Caravaca, members of the Churc(...)

The new five and ten Bolivar Soberano (Sovereign Bolivar) bills. As it tries to curb hyperinflation - which, by some measurements, is the worst in Latin American history - the government is also slashing fuel subsidies and raising the minimum wage by 3,000 per cent.

Venezuela resorted to desperate measures to arrest an economic collapse on Monday, lopping five zeros off the bolívar, devaluing it by 95 per cent and(...)

Luke O’Neill (centre) with his team Niamh Williams, Eva Palsson-McDermott, Luke O’Neill, James Early, Kathy Banahan, Alex Hooftman, Marah Runtsch, Richard Carroll (back), Sarah Corcoran, Dylan Ryan and Stefano Angiari with a sample of itaconate, a metabolite made from glucose that is an anti-inflammatory found naturally in the body. Photograph: Alan Betson

Scientists in Ireland, the UK and US have discovered a new metabolic process in the body that can switch off inflammation. The discovery opens up a st(...)

School children around the world are being exposed on a daily basis to cigarette advertising and promotions by a tobacco industry that needs to recrui(...)

Researchers say overall the test’s ability to find cancers was successful 70 per cent of the time. Photograph: Getty images

A newly developed single blood test has the potential to change the way doctors screen for cancer, researchers have said. Scientists at Johns Hopkins(...)

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