A persistent problem as science continues to grow is the difficulty with which knowledge can percolate from one field to another. This problem, which I discuss in my book The Half-Life of Facts, can ...

Smelly particles, wilted veggies, and growing jellies! Smelly particles, wilted veggies, and growing jellies! The Curious Crew explores diffusion and osmosis using tea bags, scented balloons, and ...

The research team has shown that a transcriptional co-activator ANGUSTIFOLIA3 (AN3) forms a signaling gradient along the leaf proximal-to-distal axis to determine cell-proliferation domain. In an ...

Susanna Sova studying a pig molar cusp that was modelled in the study. Credit: Jukka Jernvall The tooth is the most mineralized tissue in the mammalian body and holds information about the creature it ...

This is a preview. Log in through your library . Abstract Diffusion models of animal movement are often criticized because they assume animals have infinite velocity and completely random motion. To ...

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 256, No. 1285 (Jun. 21, 1960), pp. 267-290 (24 pages) Sorption and diffusion measurements have been made ...