Hannah Devlin, theguardian: Scientists have shown the urge to eat after smoking is caused by cannabinoids hijacking brain cells that normally suppress appetite. Caption: Research on the ‘munchies’ side-effect of smoking cannabis has helped scientists understand how the appetite centre of the brain responds to marijuana. Photograph: Alamy
Researchers hope to discover how the activity of serotonin in the brain is involved in different mental illnesses. Caption: By understanding the biology of serotonin, drugs could be developed that only target cells relevant to a particular mental disorder – reducing side-effects. Photograph: Mark Thomas/Alamy
Growing medical cannabis in Australia - Tasmania features heavily in this article. How are you preparing your H&PE students to take part in this debate?
A stalk-eyed wasp, found in Colombia – and named after a cartoon character – is the very definition of rare, says Quentin Wheeler. Caption: Axima sidi, named after the bug-eyed sloth in Ice Age. Photograph: Courtesy Dr Lars Krogmann
The largest-ever genetic study of mental illness reveals a complex set of schizophrenia root factors. Caption: The genetic results help to explain why dopamine-blocking drugs such as Thorazine (below) are effective. Image: PASIEKA Science Source
This image from the NASA/ESA Hubble Space Telescope shows a cosmic oddity, dwarf galaxy DDO 68 - Credit: NASA, ESA Acknowledgement: A. Aloisi (Space Telescope Science Institute) - Related: A galaxy of deception. - http://www.eurekalert.org/pub_releases/2014-09/eic-ago092314.php