2018-11-03 New Scientist Australian Edition

3 November 2018 | NewScientist | 1

CONTENTS

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Leaders 3 Questions over gravitational wave discovery need answers. Should lie-detecting tools be trusted?

News 4 THIS WEEK Lie-detecting tech at border control. Brazil’s new president. Fracking quakes in the UK. Animal populations in decline

6 NEWS & TECHNOLOGY Crickets evolve to purr. Rigid light is weird state of matter. Ditch cannabis for memory boost. Forgotten famine. Earth may have ghost moons. Orangutans are great mothers. Battle tech tested. Lewis Carroll is helping physicists. Animal huddles improve microbiomes. Removing sun spots. Higgs boson may have stopped universe from collapsing. New species of early bird

17 IN BRIEF Where backbones evolved. CCTV search engine. Skin tans better with a day out of the sun. Humpback whales stop singing around ships

Analysis 22 INSIGHT What climate change is doing to tropical storms 24 COMMENT Scientists should lobby for a better Brexit. Venezuela’s cryptocurrency 25 ANALYSIS Trump is wrong about air pollution

Features 28 Did we really find gravitational waves? 2015’s breakthrough discovery is in doubt 35 Brain tingles Some videos can trigger a weird state of relaxation called ASMR. What’s going on? 38 First there was water Earth’s liquid could predate the planet 42 Leave those kids alone Sugata Mitra believes children should have the chance to teach themselves

Culture 44 Rise of technopower How to resist frontierless technology 45 No-helmet VR Will superblack paint create virtual reality 2.0? PLUS: this week’s cultural picks 46 Long road to Mars Creating a space epic takes grit and guts

Regulars 26 APERTURE Help, I’m in a black hole! 52 LETTERS Depression isn’t just one condition 55 50 YEARS AGO Early attempts at IVF 56 FEEDBACK Second moon rising 57 THE LAST WORD Dangerous current

On the cover 35 Brain tingles What’s behind the ASMR craze?

8 Ghost moons The hunt for Earth’s extra satellites

8 World’s best mothers Why orangutans take the prize

28 Did we really find gravitational waves? Breakthrough physics result questioned

VR without a headset (45). Rigid light (6). Purring crickets (6). Extremely old water (38). Maths in Wonderland (10)

Volume 240 No 3202 This Week Automated lie detection to be tested at national borders 5

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2018-11-03 New Scientist Australian Edition

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