Clotting factors: the AstraZeneca vaccine

<p>British and European regulators have addressed a possible link with blood clots. Expect more rare side-effects <a href="https://www.economist.com/science-and-technology/2021/04/07/with-millions-vaccinated-rare-side-effects-of-jabs-are-emerging?utm_campaign=the-intelligence&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">to emerge</a>; what seems clear for now is that the vaccine’s benefits outweigh any risks. A new analysis shows that a racist American film from 1915 left a long <a href="https://www.economist.com/graphic-detail/2021/03/27/how-a-racist-film-helped-the-ku-klux-klan-grow-for-generations?utm_campaign=the-intelligence&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">legacy</a> of racial violence. And a <a href="https://www.economist.com/1843/2021/04/06/the-geeky-origin-of-your-cool-sunglasses?utm_campaign=the-intelligence&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">shady history</a> of the function and fashion of sunglasses.</p><p>For full access to print, digital and audio editions of <em>The Economist</em>, subscribe here <a href="http://www.economist.com/intelligenceoffer" rel="noopener noreferrer" target="_blank">www.economist.com/intelligenceoffer</a></p> &#10;&nbsp;<br /><hr><p style='color: grey; font - size: 0.75em; '>See <a style='color: grey; ' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>