圖像來源，BBC News Chinese
New methods such as mini 3D ‘organoids’ are slowly phasing out animal testing in some areas of research. Plus, how to spot a fraudulent paper and the surprising science of squeaky sneakers.
。91视频对此有专业解读
float r_sequence(int x, int y)
"What we've always said is talk to your loved one, make a decision and sign on the register, because we know when a patient has opted in and had those conversations, consent is much higher in those circumstances," said Harpreet Matharu, an organ donation specialist nurse for the NHS.