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Subscribe from just 95¢ a week Hi Pankaj, In an increasingly noisy world, neuroscientists are discovering exactly what kind of silence has the most dramatic impact on your mental health — from flotation tanks to guided meditation — and how much you really need. Read more We have plenty of articles in store for you — from news, in-depth articles, and comment on everything from health to space. Plus, with cartoons, crosswords, video, podcasts, and more, why not explore our half-price summer sale? Subscribe today to get an annual subscription for half price, that's just 95¢ a week*, so you can enjoy unlimited access to trending articles like this one and the latest news all year round. Unlock discount Terms & Conditions *Offer is available on Web, Digital, and Digital + Print packages. This subscription offer gives you 50% off annual subscription plans to New Scientist. Offer ends 7th September 2022. This is an auto-renewing subscription. Price per week is based on annual web subscriptions. In the unlikely event you wish to cancel your subscription offer, we offer a 14-day cooling period after the initial payment is made. For full terms and conditions, visit  newscientist.com/terms. For enquiries please call: +44 0330 333 9470. Lines are open Monday to Friday 09.00 - 17.00 UK time or email: subscriptions@newscientist.com. This email has been sent to submitpostforlive@gmail.com UNSUBSCRIBE from further emails relating to New Scientist subscriptions Read our PRIVACY POLICY CONTACT US New Scientist Ltd Registered Office: New Scientist Northcliffe House, 2 Derry Street, Kensington, London, W8 5TT Australian mailing address: New Scientist, Office 13, Level 10, 418A Elizabeth Street Surry Hills 2010 Registered in Australia under ABN 22 621 413 170