LifeNanoparticle bandages could detect and treat infection A new kind of medical dressing uses bacteria's own toxins to trigger defence against infection ¿ìè¶ÌÊÓÆµ
LifeToxic asphalt sludge is home to hardy microbes A natural asphalt lake in Trinidad harbours a thriving ecosystem – so could hydrocarbon lakes elsewhere in the solar system harbour alien organisms? ¿ìè¶ÌÊÓÆµ