Widget:Mailchimp
From The Embassy of Good Science
<form action="https://gesinn.us10.list-manage.com/subscribe/post?u=2fcd912a999bf1800de63cbfd&id=39a0556e61" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate="">
<label for="mce-EMAIL">Subscribe</label> <input type="email" value="" name="EMAIL" class="email" id="mce-EMAIL" placeholder="your email address" required="">
<input type="submit" value=">" name="subscribe" id="mc-embedded-subscribe" class="button">
</form>