A simple model predicts household lead exposure risk

Although it is a naturally occurring metal, lead can be toxic to humans, especially children. Since 1978, lead has been phased out of many products in the United States (including paint and gasoline), but its remnants can ...

Fake poop helps evicted owls settle into new neighborhood

Settling into a new home can be tough for anyone. So scientists have come up with some tricks to make transplanted burrowing owls feel like they are not alone in their new digs, playing owl sounds and scattering fake poop.

Tracking down microplastics in Antarctica

Microplastics are everywhere, even in the most remote places. Where do these tiny pieces of plastic come from? Researchers from the University of Basel and the Alfred-Wegener Institute have shown that it takes precise analysis ...

The mystery of a Picasso unveiled by scientists

In the summer of 1917 in Barcelona, Picasso worked on four paintings inspired by Ballets Russes, using a similar set of material for all of them, including seven pigments, drying oils, animal glue, and canvas. The four paintings ...

A call for a global ban on lead paint

Once lead paint is on a wall, it becomes an expensive problem to fix. In impoverished settings, be they neighborhoods in Philadelphia or developing nations globally, remediation can be prohibitively costly.

page 18 from 34