6th century mystery volcano identified

Researchers believe they have identified the volcano that disrupted large parts of the planet with its eruption in 540 C.E. that may have also contributed to hardships after the fall of the Roman Empire.

Some tea bags shed plastic fragments into brew

Some tea bags may be releasing plastic particles into brewed tea that make their way into the environment with potential consequences to marine life. Health consequences to humans are reported as unlikely but also unknown.