A new primer discusses how parks agencies need political and financial support to protect biodiversity. Recreational visitors can bring both, but commercial tourism carries risks. Read the related research article by Andrew Balmford and colleagues.
The Hedgehog signaling pathway plays a crucial role in development and disease. A new Unsolved Mystery explains how its putative origins in an ancient system involved in regulating bacterial lipid transport and homeostasis offers clues about how the pathway might work today.
A synopsis on new research by Yves Grau and colleagues explains how an orphan G-protein-coupled gustatory receptor mediates detection of the plant poison L-canavanine in fruit flies.
A primer on new research by Michela Matteoli and colleagues explains how the nervous system has proven to be a useful model for understanding how cells regulate their shape and motility.
This primer explores the latest evidence from a research article by Patrice Bourgin and colleagues regarding the regulatory links between light exposure and sleep homeostasis that act independently from visual pathways, and instead involve circadian timing and the photopigment melanopsin.
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