06 EYE OPENER
Fascinating images from around the world.
The latest tech and gadgets news.
This month’s letters and emails f rom our readers.
This month’s science news: world-first study maps how the brain changes as we age; DNA study offers clues about cancer mutations; humans selectively bred dogs to have puppy-dog eyes; wider genetic testing could be on the horizon; Pluto’s weird landscape may have been shaped by ice volcanoes.
30 REALITY CHECK
The science behind the headlines. Is peat-free compost bad for the environment, and what are the alternatives? Does microbiome-friendly skincare work? Is the W boson about to rewrite physics?
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65 MICHAEL MOSLEY
Beetroot – that muchmaligned vegetable – can supercharge your athletic performance and boost your heart health. Better start forcing it down…
66 ALEKS KROTOSKI
Why to-do lists are better than search engines.
79 Q& A
Our experts answer this month’s tricky questions. If I fell out of a commercial aircraft, would I be dead before I hit the ground? I regularly worm my pets, should I worm myself, too? How often should I reboot my computer? Why do trees have such shallow root systems? How do tearless onions work? Can a vasectomy be reversed? Do dogs know when they fart? What is sleep inertia? What is ball lightning? Why do kids get hyperactive when it ’s windy?
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90 POPCORN SCIENCE
Is it possible to build a lightsaber, just like Obi-Wan Kenobi’s?
Huge human brain study maps the organ between our ears, to reveal clues about how we age.
Is the W boson, a subatomic particle, about to break physics as we know it?