# Evolution
Covid is Now A Random Variable In Our Lives, And That’s Not A Good Thing
If we get ill in the future, it may be reasonable to suspect that past Covid might have played a role. Pandemic restrictions aresubsiding all overtheworld. With a few exceptions, such as China’s authoritarian zero-Covid policy, most of us are starting to live with Covid. Previously, we have been living against Covid: initiating lockdowns, wearing face masks, avoiding social gatherings, and conducting PCR tests to detect and isolate positive Covid cases.
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Did the Ancestors of Whales Once Roam the Earth on All Four Legs?
According to an article in the New York Times, evidence that the ancestors of whales possessed hind legs and feet was discovered in the desert, once the Tethys Sea, located 95 miles from Egypt. Following the discovery, this is what Dr. Philip D. Gingerich, director of the Museum of Paleontology at the University of Michigan had to say in an interview for the New York Times: ''These limbs are vestiges of the whale's land ancestry - a dramatic link between a limb used for locomotion and the absence of a functional hind limb in modern whales."
How Hybrid Immunity Could Outrun SARS-CoV-2’s Evolution
We can achieve that with natural infection plus vaccination or with mixed vaccinations — so maybe we should rethink how vaccine boosters are given. Amidst the push for global vaccination to end the Covid-19 pandemic, we have recently discovered the potential of hybrid immunity, the synergistic combination of different forms of immunity. There has probably never been a time where we study immunity so fiercely as the last 12 months. Believe it or not, there are only six hits on hybrid immunity (which are not even related to vaccines) in PubMed, a biomedical literature database, as of today. So, let’s see what hybrid immunity has to offer.