Could a Growth Signal Hold a Clue to Autism? A New Hypothesis About Early Brain Development

Porous media are all around us! From natural materials like soil, sand and rocks, to everyday products like sponges, filters, diapers, and concrete, these materials contain tiny spaces – or pores – that hold liquids or gases. When you soak up water with a sponge, for example, the pores fill with liquid, pushing out the air. The same process happens underground, where porous rocks store water, oil,…