Xi, Lula congratulate seminar on exchangesZendaya continues her tennisGene Herrick, AP photographer who covered the Korean War and civil rights, dies at 97Scientists develop fully integrated memristor chip with low energy consumptionCargo spacecraft burns up as planned on Earth reentryOver 2,300 people battling forest fire in southwest ChinaFarmers harness science, technology to improve harvestWorld's first mountaintop impact crater found in NE ChinaGene Herrick, AP photographer who covered the Korean War and civil rights, dies at 97New scientific experimental samples from China's space station return to Earth