LifeMud DNA means we can detect ancient humans even without fossils We can now look for ancient human DNA at sites with no bone remains – and perhaps confirm claims such as that humans were present in the Americas 130,000 years ago ¿ìè¶ÌÊÓÆµ
LifeGiant viruses may just be small viruses that stole hosts’ genes Genome sequences found in a waste-water plant seem to question the possibility that giant viruses are a whole new domain of life – but not everyone is convinced ¿ìè¶ÌÊÓÆµ