Paper straws may contain chemicals linked to cancer, other ailments, study finds
The chemicals' presence, demonstrates the straws "are not fully biodegradable"
Mysterious invisible walls may have been discovered in outer space
The walls aren’t necessarily like the walls of a room. Instead, they are more like barriers
NASA recorded a Black Hole’s song & you can listen to it (audio)
NASA scientists have been capturing sounds across the universe from the screams of Black Holes to the gassy outbursts of distant star
