
Oldest proteins yet recovered from 18-million-year-old teeth
Protein fragments managed to persist in the harsh conditions of Kenya’s Rift Valley Ellen Miller The fossilised teeth of 18-million-year-old mammals in Kenya have yielded the oldest protein fragments ever recovered, extending the record age for ancient proteins fivefold. Daniel Green at Harvard University, in collaboration with Kenyan scientists, found a variety of fossilised remains,…