News tagged with paper

Communal living of the insect kind

The social lives of ants, wasps and bees have long been a puzzle to scientists. How did complex insect societies — colonies ruled by a queen and many workers — come to be? A new model adds to discontent ...

Nov 16, 2011 4 / 5 (1) 3

Paper money worldwide contains bisphenol A

The cash register receipts that people place near paper money in billfolds, purses, and pockets has led to a worldwide contamination of paper money with bisphenol A (BPA) — a potentially toxic substance ...

Aug 10, 2011 4.3 / 5 (4) 7