内容摘要：Slayman’s case was challenging, doctors said. Even before his first transplant, he had trouble being on dialysis and needed dozens of procedures to try to remove clots and restore blood flow. He became “increasingly despondent and depressed over his dialysis situation. At one point ... he literally said ‘I just can’t go on like this,’” said his kidney doctor, Williams.

Slayman’s case was challenging, doctors said. Even before his first transplant, he had trouble being on dialysis and needed dozens of procedures to try to remove clots and restore blood flow. He became “increasingly despondent and depressed over his dialysis situation. At one point ... he literally said ‘I just can’t go on like this,’” said his kidney doctor, Williams.

“The global coltan supply chain is pretty murky,” said Guillaume de Brier, a natural resources researcher at the Antwerp-based International Peace Information Service. “From eastern DRC, coltan is bought by traders, mostly Lebanese or Chinese, who will sell it to exporters based in Rwanda. Exporters will then ship it to the UAE or China, where it will be refined into tantalum and niobium, and sold to Western countries as metals from UAE or China.”The M23 has previously controlled Rubaya for periods of time, and the U.N. asserted that, even before the

, the group was facilitating the smuggling of these minerals to Rwanda. Since M23 took control of the mine, Rwanda’s official coltan exports have doubled, according to Rwandan official figures.At times the mines were also under control of the Wazalendo, a militia allied with the Congolese army.Alexis Twagira said he feels some things have improved under M23. “I’ve been working in this mine for 13 years, and I’ve worked under the Wazalendo. When they were here, they would harass us, sometimes taking our minerals and demanding money,” he said.

The U.N. has accused both the Congolese army and the M23 rebels of human rights abuses., a mineral used to make lithium-ion batteries for electric vehicles and other products, but U.S. access is complicated by the fact that Chinese companies control 80% of its Congolese production. Congo also produces gold.

In recent weeks, two U.S. companies opened doors to production in the region. Nathan Trotter, a U.S. firm, signed a letter of intent with Rwanda-based Trinity Metals, which owns Rwanda’s largest tin mine. And KoBold Metals, which uses Artificial Intelligence to further energy transition and is backed by

, brokered a deal to buy Australia’s AVZ Minerals’ interest in Congo’s Manono lithium deposits.to its game in 2021 and Mexicans went crazy about them that same year, following the Central Bank’s initiative to print it on

. “That’s when the ‘axolotlmania’ thrived,” Cruz said.Axolotls scurry around during a media presentation before their release into the canals of Xochimilco, a borough of Mexico City, Wednesday, Feb. 16, 2022. (AP Photo/Marco Ugarte)

Axolotls scurry around during a media presentation before their release into the canals of Xochimilco, a borough of Mexico City, Wednesday, Feb. 16, 2022. (AP Photo/Marco Ugarte)All over Mexico, the peculiar, dragon-like amphibian can be spotted in