IFLScience
shared a link post in group #IFLScience
www.iflscience.com
What Is The Heaviest Element?
It sounds like a simple question, but there are at least half a dozen answers that could all be right.
Comment here to discuss with all recipients or tap a user's profile image to discuss privately.
Embed post to a webpage :
<div data-postid="gzywpoq" [...] </div>