People caught and died from plague long before it caused major epidemics like the Black Death in the middle ages. Could what scientists call cultural resistance be what kept the disease under control?
- Lecturer, California State University, Long Beach
Comment déterminer les âges de la vie où se sont produits les divergences entre deux espèces ? Grâce aux horloges moléculaires : l’ADN comme minuterie.
How do scientists figure out when evolutionary events – like species splitting away from a common ancestor – happened? It turns out our DNA is a kind of molecular clock, keeping time via genetic changes.
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