What tiny structures in our cells can tell us about our genes WBUR Published May 18, 2026 at 10:05 AM MDT Facebook Twitter LinkedIn Email Flipboard Listen • 3:06 Tiny structures in cells called speckles were first discovered more than a century ago.Joe Palca tells us why biologists have a renewed interest in them. This article was originally published on WBUR.org. Copyright 2026 WBUR