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251. Inchworm design of Nasa moon rover copied from China, scientists say

252. Nation’s submarine fleet could soon be powered by lithium batteries; Change could boost vessels’ survival and combat abilities, researchers say

253. Researchers simulate nuclear blast to bring down satellites; Computer test suggests warhead detonated in near space could disable threats such as Starlink

254. Ex-Nasa data scientist takes Fudan University job

255. Pump-jet ‘can give submarines a boost’

256. PLA aims to have hypersonic weapons on aircraft carriers

257. New Chinese tech helps assess Nord Stream leak; Gaofen-5 02 satellite ‘provided first accurate estimate of gas emissions’

259. Satellite Babies

260. Contributors

262. Iris Chafing Syndrome Secondary to Iridociliary Adhesions in a Patient with a Single-Piece Acrylic Intraocular Lens: Case Report.

263. Spine Fractures of Patients with Ankylosing Spondylitis and Diffuse Idiopathic Skeletal Hyperostosis: Fracture Severity and Injury-Related Mortality at a Level I Trauma Center

264. Image-guided deployment and monitoring of a novel tungsten nanoparticle–infused radiopaque absorbable inferior vena cava filter in pigs

270. Smart tech puts china flag on mars first; Lightweight polymer allows national banner to unfurl without mechanical aid, and is likely to be used in interplanetary travel, aerospace projects

271. Hypersonic bomber passes key wind tunnel test

272. Coal could ‘cut cost of hypersonic jet travel’; Mainland scientists say experimental engine, inspired by mine explosions, uses carbon particles and ethylene to hit speeds six times faster than sound

273. Underwater signals picked up from 105km away by team in South China Sea

274. Nuclear fusion power ‘is 6 years away’

276. Scientists build record-breaking wind tunnel; Sichuan facility, which can simulate flight speeds of Mach 33, allows China to carry out hypersonic experiments and test its space innovations

277. Secrets revealed 3,000m under the South China Sea; Ancient ships discovered in ‘unprecedented’ archaeological survey using technology that can also unearth presence of foreign military assets

278. Test of powerful new rocket engine a ‘complete success’

279. Scientists on track to smooth path of fastest bullet trains; Researchers find raising sleepers that support rails helps prevent motion sickness at 400km/h

280. Success in control of Hypersonic weapons; Researchers from space physics lab in Beijing say their system could overcome communications blackouts suffered by objects at extreme speeds

281. Giant leap in genetic engineering; Team fully recombines chromosomes of a mouse – first time the feat has been achieved in a mammal

282. Plasma device improves stealth bomber performance

283. Latest radar ‘boosts anti-stealth warfare’; Engineers say their small infrared search-and-track system can pick up the heat signature of a fast-moving aircraft from an unusually long distance

285. Small radar system on track of stealth jets; New mobile device may be set up anywhere, even rooftops, and shows superior detection accuracy and range, according to research paper

286. 6G network safety alert after terahertz radiation discovery; Researchers find exposure to high frequency waves can accelerate growth of mouse neurons

288. Maglev ‘sky train’ can float forever – even without a power supply, scientists say

289. Possible royal portrait found at ancient pyramid

290. Unmanned flying sub step closer to reality; Prototype built and tested by team at Nanjing University of Aeronautics and Astronautics can evade sonar under water and radar in the air

291. Ship designers get edge from ‘internet of cars’ on cloud; Industrial platform can draw on computing power from across country to solve complex problems

292. Tectonic forces put the big squeeze on rail tunnel to Tibet; In less than a month, opening is reduced from 12m to less than 3m as a result of shifting plates

293. AI-based grid makes blackouts thing of past; System recovers from outage in 3 seconds, not the usual up to 10 hours, report says

294. Satellite lift-off ‘key step’ for global quantum communications network

295. Three Gorges water tunnel set to boost food supply

296. Moon outpost eyed to save Earth from massive asteroids; Plan calls for building telescopes to survey sky for threats and sending satellites to intercept

297. Scientists find rice gene that boosts yield; Tweaking the genetic make-up also reduces the growth period, Beijing researchers say

298. Nuclear submarine drone planned; Researchers design low-cost version of Russia’s Poseidon weapon powered by a ‘disposable’ reactor

299. Rare mass ‘corpse flower’ blooms draw a crowd

300. Record-breaking bridge clears hurdle to faster travel in border region

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