London Underground polluted with metallic particles small enough to enter human bloodstream

The Ringelmann Effect (Social Loafing) - A psychological phenomenon that describes the tendency for individual productivity to weaken as group size increases. Written by Matthias Laroche (Clinical Neuropsychiatry (MSc) from King's College London)

Particles of light may create fluid flow, data-theory comparison suggests

Hubble Sees a Glittering Jewel in the Small Magellanic Cloud. But the Jewel is Disappearing