First European Homo sapiens Mixed with Neanderthals, DNA Study Shows

DNA Reveals Humans Interbred With Neanderthals a Surprisingly Short Time Ago

AstraZeneca Covid-19 Vaccine Possibly Linked To Rare Blood Clots, European Medicines Agency Says

AstraZeneca Covid-19 Vaccine Has ‘Clear’ Link To Rare Blood Clots, European Public Health Official Says