This week, nearly three million doses of Pfizer’s Covid-19 vaccine will be delivered to more than 600 vaccination sites around the country. Today, CNN Aviation Correspondent Pete Muntean takes us behind the scenes of this historic operation and tells us about the journey of a vial of vaccine from manufacture to injection.
To learn more about how CNN protect ... Show More
Feb 27
The Miracle and Mystery of Consciousness
Can modern science explain, or even define, the mystery of human consciousness? Dr. Sanjay Gupta sits down with writer Michael Pollan to talk about his new book, A World Appears: A Journey Into Consciousness, and explore the unmapped territory of our inner lives. They discuss whe ... Show More
27m 29s
Feb 20
How Hibernation Could Redefine Space Travel and Medicine
Animals can hibernate, slowing down most metabolic functions — heart rate, blood flow, brain activity, and body temperature — then waking as if nothing happened. Humans have never done this, but what if they could? Could hibernation extend life or even save it? Dr. Sanjay Gupta e ... Show More
24m 59s
Sep 2020
What We Can't Know About a Vaccine
The race for a COVID-19 vaccine entered a new phase recently. Four different vaccine candidates, developed by Moderna, Pfizer, BionTech and Johnson & Johnson, entered final-stage trials, with two others close behind. But we won’t know exactly how these four vaccines work for mont ... Show More
13m 57s
Jul 2021
The Vaccine Mandate Conundrum
<p>In the effort to raise America’s vaccination rate, some agencies and private organizations have turned to the last, and most controversial, weapon in the public health arsenal: vaccine mandates.</p><p>How have the federal government and the White House approached the issue?</p ... Show More
22m 14s