<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/MovingImage" property="dct:title" rel="dct:type">Questões de facto: o grau de certeza das leis científicas</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://youtu.be/xzD2TvNer3U" property="cc:attributionName" rel="cc:attributionURL">Paulo Sousa</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.<br />Based on a work at <a xmlns:dct="http://purl.org/dc/terms/" href="https://youtu.be/xzD2TvNer3U" rel="dct:source">https://youtu.be/xzD2TvNer3U</a>.
