Items marked by the "STEM исследование" tag:

<!-- Yandex.Metrika counter -->

<script type="text/javascript" >
   (function(m,e,t,r,i,k,a){m[i]=m[i]||function(){(m[i].a=m[i].a||[]).push(arguments)};
   m[i].l=1*new Date();k=e.createElement(t),a=e.getElementsByTagName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)})
   (window, document, "script", "https://mc.yandex.ru/metrika/tag.js", "ym");

   ym(85501045, "init", {
        clickmap:true,
        trackLinks:true,
        accurateTrackBounce:true,
        webvisor:true,
        ecommerce:"dataLayer"
   });
</script>