Why do some people get Covid but others in the house don’t?
Omicron is more likely to spread within households than previous variants
Biologist who discovered the AIDS virus dies – He was against mandatory vaccination & vaccination of children
The rumor of Nobel Prize winner Luc Montagnier's death had been out since Tuesday - "Liberation" found his death certificate
A paralyzed man with a severed spinal cord walked again thanks to an implant (videos-photo)
However, he clarified that more clinical trials are needed before it can be considered an effective treatment