90% efficacy for Pfizer’s COVID-19 mRNA vaccine is striking. But we need to wait for the full data - COVID-19 Guest Author • Nov 12, 2020
Buying a coronavirus vaccine for everyone on Earth, storing and shipping it, and giving it safely will all be hard and expensive - COVID-19 Guest Author • Nov 12, 2020
Scientists thought these seals evolved in the north. 3-million-year-old fossils from New Zealand suggest otherwise - Hot off the press Guest Author • Nov 12, 2020