PNG IHDR c sRGB gAMA a pHYs + iTXtXML:com.adobe.xmp 2021-11-18 9325a217-bab3-4c98-ad4a-3466a0a42aa0 525265914179580 2 2021 Youth STEM Summit Twitter Mhairi McCann Canva 1+ IDATx^]EҭmNuؘdlL9`9rG