Elon Musk’s implant company Neuralink, which aims to enable brains to connect and communicate with computers, has acknowledged that monkeys died as part of its testing procedures, but denies allegations of animal cruelty.Elon Musk’s implant company Neuralink, which aims to enable brains to connect and communicate with computers, has acknowledged that monkeys died as part of its testing procedures, but denies allegations of animal cruelty.