New secrets of the supermassive black hole What a tiny image tells us about one of the biggest mysteries in the Universe. Up all night to get happy Can you beat depression simply by staying awake? Watching the detectors Take a look at the particle detectors that help scientists unravel the mysteries of the cosmos. Plus The latest research offers new hope for dementia patients. How growing up poor can affect your DNA as well as your health. The best gadgets for getting a good night’s sleep. Issue 335 on sale 1 May 2019 Subscribe to BBC Science Focus Magazine From the May 2019 issue of BBC Science Focus The Human Body Gender medicine Should men and women be prescribed different drugs and doses? Science news MDMA may help psychotherapists to treat post-traumatic stress disorder by rewiring patients’ brains Magazine Sign up to the Science Focus newsletter Magazine BBC Focus Crossword solution #335 Science news More than half of motorists view cyclists as subhuman ‘cockroaches’ Science news House dust could be causing us to pile on the pounds Don’t forget that BBC Science Focus is also available on all major digital platforms. We have versions for Android, Kindle Fire and Kindle e-reader, as well as an iOS app for the iPad and iPhone. Subscribe to BBC Science Focus Magazine Enter your email for the latest from Science Focus Sign up to receive our newsletter! Thanks! Our best wishes for a productive day. Already have an account with us? Sign in to manage your newsletter preferences Sign in Register Sign me up! By entering your details, you are agreeing to BBC Science Focus Magazine terms and conditions. You can unsubscribe at any time.