US wasting billions on nuclear bombs that serve no purpose and are security liability – experts

Washington to spend billions upgrading cold war era B61 bombs NTI report says weapons are potentially catastrophic liability A B61-12 model at the Arnold Engineering Development Center in Tennessee. Photograph: National Nuclear Security Administration/Nevada Site Office The US is to spend billions of dollars upgrading 150 nuclear bombs positioned in Europe, although the weapons may …

The Guardian view on South Africa’s new leader: a welcome change, but a long road to travel | Editorial

The optimism surrounding Cyril Ramaphosa’s presidency is understandable after Jacob Zuma’s disastrous tenure. But South Africa needs systemic change too Cyril Ramaphosa is sworn in as South Africa’s new president. Photograph: POOL/Reuters The goodwill surrounding Cyril Ramaphosa’s swearing-in as the new president of South Africa today was in direct proportion to the relief that his …

Asia and Australia edition: Florida Shooting, South Africa, Olympics: Your Friday Briefing

Happy Lunar New Year. Here’s your Morning Briefing: Mark Wilson/Getty Images • “Everyone predicted it.” That was a former classmate of the 19-year-old charged with 17 counts of murder, one for each of the students and adults killed in a rampage at a high school in Florida. (Videos from inside the school captured the terror.) …

Lens: A Times Photographer’s Journey Home to the Winter Olympics

Lens Xiaoyu Yu and Hao Zhang of China competing during the team pairs short program at the Gangneung Ice Arena in PyeongChang, South Korea.CreditChang W. Lee/The New York Times Chang Lee cried as he photographed the opening of the Winter Olympic Games. He had grown up in Busan, South Korea, where his parents rarely spoke …

Trump’s Latest Travel Ban Suffers Blow From a Second Appeals Court

Protesters gathered outside the United States Court of Appeals for the Fourth Circuit, across from the Virginia Capitol, in Richmond, before the court examined a ruling to block an earlier version of President Trump’s travel ban in May. Steve Helber/Associated Press WASHINGTON — A second federal appeals court ruled on Thursday against President Trump’s latest …

What to Give Up for Lent? Smoking? Cursing? How About Plastic?

Volunteers collecting discarded plastic and other rubbish from the banks of the River Thames in London last month. Adrian Dennis/Agence France-Presse — Getty Images For Lent, many Christians give up indulgences like tobacco, alcohol or sweets, or transgressions like lying and swearing. And for Anglicans, don’t forget synthetic fabrics, wet wipes, and those little boxes …

Blood-thinning drugs designed to cut stroke risk may actually increase it

Scientists call for caution in prescribing anticoagulants after some patients with other conditions found to suffer more strokes New research suggests anticoagulant drugs may increase the risk of stroke in older patients with kidney disease. Photograph: Stephen Kelly/PA Blood-thinning drugs may increase rather than cut the risk of stroke in some people over 65 who …

Next-level driverless cars: how to solve the problem of humans falling asleep

Next wave of development will see drivers only expected to intervene when the car requests it, say researchers Studies have shown that drivers can fail to spot when systems reach their limits and can have trouble retaking control of the vehicle, especially in an emergency. Photograph: Volvo/AFP/Getty Images Driving down the motorway in a swanky …

Labour gets 16,000 emails in five days urging it to consult on Brexit

Shadow cabinet and trade unions to discuss after complaints that none of party’s policy commissions focus on Europe Jeremy Corbyn is under pressure to consult with Labour party members over Brexit Photograph: Wiktor Szymanowicz / Barcroft Images/Barcroft Images More than 16,000 people have emailed Labour over the past five days, urging the party to consult …