US biotechnology company Colossal Biosciences claims it has produced three dire wolves, a species that has been extinct for over 10,000 years, by modifying the genome of a modern-day gray wolf using dire wolf DNA found in fossils.

Health-care companies that are trying to develop treatments or vaccines to fight covid-19 have produced some of the best stock market performances in Europe this year. Odds are, investors will end up disappointed.