As Iranian-designed Shahed drones spread from Ukraine to the Gulf, U.S. and allied forces are using multimillion-dollar air defenses to counter low-cost attacks, raising sustainability concerns.

Could Iran be using China's BeiDou system? Iran has pressed on with sustained missile and drone attacks across the Gulf region, despite repeated protests from its neighbours, in ongoing retaliation in the war launched by the United States and Israel . Tehran's strikes targeted multiple countries, including Saudi Arabia and Qatar, late on Friday and in the early hours of Saturday. The ministry also said late on Friday that the country's armed forces intercepted a ballistic missile launched towards the al-Kharj governorate. Meanwhile, The Wall Street Journal (WSJ) reported on Saturday that five US Air Force refuelling planes were damaged in recent days while on the ground at an airbase in Saudi Arabia. According to the WSJ, quoting unnamed US officials, the aircraft were damaged in an Iranian attack.

Japan Approves the World's First Treatment Made With Reprogrammed Human Cells Researchers in Japan pioneered reprogrammed cells 20 years ago. Now the country has given the first-ever authorizations to manufacture and sell medical products based on the technology. Human iPS cell colony established from fibroblasts. Its actual width is approximately 0.5 mm. On March 6, Japan's Ministry of Health, Labor and Welfare officially granted conditional and time-limited marketing authorization to two regenerative medical products derived from reprogrammed iPS cells, marking exactly 20 years since the creation of mouse iPS cells .

How men were left to starve in a South African gold mine. This image was created by Mohamed Hussein using the artificial intelligence (AI) tool Midjourney. Ayanda Ndabeni watched the faint glow from his headlamp fight the vast darkness 1,500 metres (4,920 feet) below ground. His miner's lamp had lasted for more than a week after he was lowered down into the shaft of the gold mine. But now the batteries were dying. He gently flipped the plastic switch of his lamp, turning it off, and the trapped men around him became shadows. In the stifling heat and humidity, their anxiety pressed in from all sides. Ayanda had descended into Shaft 10 of the Buffelsfontein mine in late September 2024, lowered by a team of nearly 20 men operating ropes and a pulley above ground. That day, he'd spotted police vehicles near the mine's entrance. The 36-year-old assumed it was just routine patrols around the mine system, which is 2km (1.2 miles) deep. But then the rope pulley, via which food, water, batteries and other items arrived, stopped moving. The shouting that usually indicated the rope operators were sending down a man or supplies also fell silent. When huge rocks came crashing down the shaft, they knew it was a warning. The men whispered of their growing fears that something was very wrong on the surface. Patrick Ntsokolo was also in Shaft 10. He was a few hundred metres higher up than Ayanda and had arrived in late July. Patrick was new to the mines. Tasked by the leaders of the artisanal miners with collecting the food, water and alcohol lowered down by the rope pulley, he hauled supplies along the slippery tunnels to small shops.

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Our study of 22 mitigation techniques and five baselines reveals up to 12.6% fairness variance across identical training runs with identical seeds.