SCIENTIFIC NEWS Pfizer’s COVID-19 vaccine starts to work just 10 days after 1st dose 6 years ago Overall, the vaccine was 52% effective after the first dose and 95% effective after the second dose. Continue Reading Previous: Epic time-lapse shows what the Milky Way will look like 400,000 years from nowNext: Seven dead in protests as Covid-19 hits Iraqi government worker salaries Related Stories Static electricity is a mystery, and scientists are all charged up SCIENTIFIC NEWS Static electricity is a mystery, and scientists are all charged up Emily Conover 3 hours ago A new documentary shows what growing up lion is really like SCIENTIFIC NEWS A new documentary shows what growing up lion is really like Tina Hesman Saey 4 hours ago A record-breaking star could reveal how the Milky Way’s giant black hole spins SCIENTIFIC NEWS A record-breaking star could reveal how the Milky Way’s giant black hole spins Mara Johnson-Groh 5 hours ago No refrigerator, no problem. This experimental vaccine doesn’t need it. SCIENTIFIC NEWS No refrigerator, no problem. This experimental vaccine doesn’t need it. Sahas Mehra 6 hours ago Shrews’ noses grow in winter as their brains shrink SCIENTIFIC NEWS Shrews’ noses grow in winter as their brains shrink Jake Buehler 21 hours ago What Spider-Man gets right — and wrong — about turning off superpowers SCIENTIFIC NEWS What Spider-Man gets right — and wrong — about turning off superpowers Tina Hesman Saey 1 day ago