HealthMan unexpectedly cured of HIV after stem cell transplant A handful of people with HIV have been cured after receiving HIV-resistant stem cells – but a man who received non-resistant stem cells is also now HIV-free ¿ìè¶ÌÊÓÆµ
LifeOrigin story of domestic cats rewritten by genetic analysis Domestic cats originated in North Africa and spread to Europe in the past 2000 years, according to DNA evidence, while in China a different species of cat lived alongside people much earlier ¿ìè¶ÌÊÓÆµ