New Scientist Australian Edition

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Elsewhere on New Scientist

Getting warmer • In the race to ramp up renewables, we can’t afford to ignore heat storage

New Scientist Australian Edition

Dance of a cosmic penguin

Analysis Climate change • Is a vital ocean current heading for a tipping point? Two studies suggest the Atlantic meridional overturning circulation could collapse by the middle of the century, but such predictions are controversial, says Madeleine Cuff

The ancestor of everything • An organism living a few hundred million years after Earth formed gave rise to all life today

How to build a clock from any random ‘ticks’ around you

Menstrual pads turn blood solid to reduce the risk of leaks

Bird flu in humans flies under radar • Patchy testing makes it difficult to know how many people in the US are infected with H5N1

Melting sea ice is hindering Canadian Arctic shipping

The benefits of Denisovan DNA • Gene variants from archaic humans may help modern people live in different environments

Can we predict where dead whales will drift in the sea?

An entrance to the lunar underworld beckons astronauts

Anti-opioid implant could prevent dangerous overdoses

Can we prevent GPS attacks? • GPS jamming has begun to affect transatlantic flights. Now the race is on to develop alternative ways of navigating, Jeremy Hsu reports

Mapping disruption

A timeline of incidents • Deliberate GPS disruption has been happening for years, affecting shipping, flights and more

No waste in space • Urine-recycling spacesuit will keep astronauts supplied with drinking water

Horse therapy benefits people with Alzheimer’s disease

Your pupil size fluctuates as you breathe in and out

Mammoth DNA preserved in freeze-dried ‘jerky’

Plague may have swept through Neolithic Europe

Breastfeeding riddle solved by bone-boosting hormone

CO2-filled dome could store power • Electical grids dominated by renewables need a way to save excess energy for later

Lions make death-defying swim across 1.5 km channel

Too hot to handle? • The Olympic Games in Paris may be the hottest yet, creating a dangerous environment for competitors, says Madeleine Orr

Future Chronicles • A dream scenario We are time travelling to the middle of the 21st century, when scientists developed a method of shared dreaming. Rowan Hooper explains how it changed the world

Fusion future

Your letters

Seeing double • Misinformation, conspiracy influencers and strange alt-right alliances. Naomi Klein unpacks her latest book, Doppelganger, with Rowan Hooper

World of gases • An entertaining history of gases shows science at work in daily life, finds Tom Tierney

New Scientist recommends

The film column • Death-defying Eternal You, an excellent but deeply unsettling documentary, probes the power of “grief technologies” that use artificial intelligence to produce credible simulations of the dead, says Simon Ings

Exploring the midlife brain • Our brains undergo extraordinary changes in middle age, making it the perfect time to transform your future cognitive health, says David Robson

THE SURPRISINGLY SIMPLE SOLUTIONS TO RENEWABLE ENERGY’S BIGGEST PROBLEM • Whether it is hoisting weights, melting salt or heating bricks, straightforward ideas could...