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Dinosaurs - New Scientist

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Paper batteries use electron-harvesting bacteria to make electricity

Many small devices require batteries, but they can be expensive and environmentally unfriendly. Paper batteries powered by bacteria may be the solution

Exploring the Future webinar

Join our panel of experts discussing the emerging technologies that are set to change our lives by 2030

Make sure co-workers get the message with an illuminated jacket

No time to chat? A jacket that literally spells out to colleagues when you are busy is the high-tech office wear you need

Don’t Miss: surreal objects, loving termites, and ethical dilemmas

Visit surreal objects created from old teaching aids, discover why we've got termites all wrong, and watch an ethical dilemma on blood transfusion play out

How women are rallying round the cause of climate injustice

From natural disasters to food and water shortages, women are more affected by climate change than men. An inspiring podcast looks at their fightback – starting in court

The galaxy is full of ‘water world’ exoplanets where life could evolve

Analysis of data from 4000 exoplanets reveals that around a third are rich in water – and many have more water than Earth

Banana-y bread and onion beer: How yeast can trick our tastebuds

Maker of beer, bread and wine, yeast is our biggest microbial friend. Now we're engineering weird new flavours with it - even lager that tastes of something

Yuval Noah Harari: why the reluctant guru is upsetting scientists

What could possibly go wrong when a world famous public intellectual grapples with our bewilderingly strange times? Find out in 21 Lessons for the 21st Century

New Scientist Live: can we defend Earth from asteroids?

Ian Carnelli leads a team at the European Space Agency dedicated to asteroid defence – come learn about his mission this September at New Scientist Live

This AI will draw whatever you want – but it’s utterly terrible

Just type in a few words, and this AI will try to draw them. It’s good at textures and colours, but the details can get a bit mixed up

Genoa bridge collapse – what went wrong and are other bridges at risk?

A large portion of motorway bridge in Genoa, Italy has collapsed killing 38 people. Here’s what we know so far about what went wrong

Feedback: Cat whisperer uses telepathy, drums, to evict lion

Plus: older generation less likely to admit their mistakes, missing math medal, why you shouldn't eat dragon's breath or centipedes, and more

Eating a low-carb diet may shorten your life – unless you go vegan too

People following low-carb diets have been found to have a higher risk of mortality, except when people shun animal fats and protein too

Oldest galaxies in the universe discovered right on our doorstep

Astronomers have previously looked for ancient galaxies by peering into the deep reaches of the universe, but it turns out they were right here all the time

Future robot swarms should copy lazy ants who let others do the work

The optimum strategy for tunnelling ants is to leave all of the digging to just a few workers. Swarms of robots could use similar techniques for clearing rubble

Including population control in climate policy risks human tragedy

Making population issues part of the world's efforts to avert climate change could cause human rights abuses including forced sterilisation, says Ian Angus

The male fish who eat their eggs because they want better babies

When male barred-chin blenny fish are unimpressed by their latest batch of offspring, they often eat them so they can start a new family as soon as possible

New mega-journal will raise the profile of African science

A new journal for Africa's scientific researchers is about to makes its debut. It could be a game changer for the continent, says Curtis Abraham

North Korea nukes the US in a Trump-bashing new thriller

This is the way the world ends in Jeffrey Lewis's satirical portrayal of future war – not with a bang but a tweet

Exposure to insecticide DDT linked to having a child with autism

Although DDT has been banned for decades in many countries, exposure to its breakdown products may be influencing whether mothers have autistic babies

Corals on old North Sea oil rigs could help natural reefs recover

Not only are deep-sea coral ecosystems thriving on oil and gas rigs in the North Sea, their larvae may be helping repopulate damaged natural reefs

Replacing your boss with a cruel robot could make you concentrate more

A mean robot watching over you increases your focus on the most important parts of a task more than a friendly robot or even no robot at all

Meet the ‘climate kids’ suing the US government over global warming

They claim inaction on climate change has blighted their future – just one of many challenges now hitting the courts. And they might just succeed

Why the US is worried a Russian satellite might be a space weapon

A Russian satellite has been getting closer to Earth without a clear reason and US officials are concerned that it could be a space weapon

A drug’s weird side effect lets people control their dreams

Researchers have developed the most effective technique for lucid dreaming yet, and it may allow people to fulfil fantasies and overcome nightmares and phobias

An opt-out organ donor system might actually lead to fewer transplants

England’s plans to make everyone an organ donor by default could make families less likely to give consent, perhaps leading to a fall in transplant operations

No contraceptive is perfect, but can you trust apps to stop pregnancy?

Birth control app Natural Cycles has come under fire for unwanted pregnancies, but this just reveals how little we understand contraception

It’s time to embrace video games as an Olympic sport

They may compete from the comfort of a chair, but video gamers are in the mix at this year's Asian games and are on track for Olympic stardom, says Mark Zastrow

Extreme tales from a record-breaking dive in the Antarctic

Jon Copley dived deep for Blue Planet II. He reveals the risks of falling rocks, leaks and fires inside the sub, and highlights the extraordinary "death star"

Some clouds are formed when a virus makes algae shed their shells

When algae in the ocean get a virus, they shed their exoskeleton and those chalky bits can get flung into the air and trigger the formation of clouds

Doctors will grow human tissue on the International Space Station

Liver tissue and muscle fibre are going to be grown on the ISS, to see if we can one day grow human organs in space

This one particle could solve five mega-mysteries of physics

Forget the Higgs: theorists have uncovered a missing link that explains dark matter, what happened in the big bang and more. Now they’re racing to find it

Weird circles in the sky may be signs of a universe before ours

A theory suggesting that the universe is constantly reborn could be proved right by ‘Hawking points’ – signs of evaporated black holes from a time before the big bang

Why taking ayahuasca is like having a near-death experience

A psychedelic drug produces effects similar to near-death experiences. The finding suggests changes to brain activity may explain such paranormal phenomena

Sterile fish could help wild salmon dodge the ‘gene pollution’ effect

Farmed Atlantic salmon make the local wild salmon population weaker. Making them sterile could work – but there’s a catch

Sticking brain cells together with glue could boost and protect memory

Can a chemical that reinforces the connections in our brains prevent the destruction of memories in ageing and Alzheimer’s? It seems to work in mice

We have finally figured out how to snap spaghetti into two pieces

Snap a piece of dry spaghetti and you will always end up with three or more pieces - but now mathematicians have figured out how to get a single clean break

Why forecasting how hot it will be in 2022 is mostly a gimmick

It will never be possible to forecast weather years ahead, but we can predict the average global temperature four years from now. Trouble is, that’s not that useful

US police testing AI that learns to spot crimes in CCTV footage

Police in Orlando have been testing a system that automatically scans CCTV looking for potentially illicit activity – with some success

There is no evidence that the weedkiller glyphosate causes cancer

Agrichemical firm Monsanto has been ordered to pay $289 million to a man who says its products caused his cancer – but scientific evidence for links to cancer is lacking

Google tracks your location even if you switch off location tracking

Google records your movements even when you explicitly tell it not to, an investigation by the Associated Press has found

New Scientist Live: the sophisticated home life of Neanderthals

We once thought Neanderthals were less advanced than humans, but Matt Pope will argue at New Scientist Live that Neanderthal families lived rich domestic lives

DeepMind’s AI can spot eye disease just as well as top doctors

DeepMind's system trains on eye scan data taken from thousands of NHS patients and determines which should be seen sooner

Why allergies aren’t nuts at all

Faced with airline peanut bans, it’s easy to dismiss allergies as imaginary modern maladies. They’re not – and we need to understand why they’re on the up

Google just made it much harder to build a serious quantum computer

To reach quantum supremacy, a quantum computer has to do a task no ordinary computer can. Google has made that harder with an algorithm that beefs up regular PCs

Master mimic insect is indistinguishable from a leaf on forest floor

Panama's Cocobolo Nature Reserve is a crucial pit stop for migratory species and holds a huge array of wildlife, including this master of disguise: a leaf-mimic katydid

Ancient natural nuclear reactors show how to store radioactive waste

Billions of years ago, uranium in the Earth’s crust underwent nuclear reactions on its own, and the remnants demonstrate a way to keep nuclear waste under control

We’ve identified the brain cells that let you control urination

We’ve all been there – desperately holding on for a toilet. Now the brain cells that help us do it have been identified, which may lead to new incontinence treatments

Asteroid strike may have forged the oldest rocks ever found on Earth

The oldest rocks ever found are over four billion years old and we don’t know how they formed – but a massive asteroid bombardment may be responsible

Orca who carried her dead infant is not alone – many animals grieve

A female orca has been seen carrying the body of her dead calf for 17 days, apparently grieving. Such displays of grief are remarkably common in nature

This doctor risked her career to end Flint’s water-poisoning crisis

The people of Flint, Michigan, were drinking poisoned water, and the authorities were doing nothing. That’s when Mona Hanna-Attisha decided to take action

Rock layers show our sun has been in same cycle for 700 million years

Our star gets more and less active in a repeating cycle that lasts 11 years, and ancient rocks suggest it behaved the same way over 700 million years ago

NASA’s Parker Solar Probe is on its way to the sun, via Venus

After a false start on Saturday, NASA’s Parker Solar Probe blasted off on Sunday to begin a mission to enter the sun’s scorching atmosphere

New Scientist Live: sneak preview of this year’s mission to Mercury

It’s time to return to the planet Mercury. At New Scientist Live, Emma Bunce will be revealing all about the BepiColombo mission set to launch in October

Cybersecurity is failing us – and will continue to do so unless we act

Our current model of internet security is too vulnerable to the mistakes of individual programmers. Better alternatives exist – and should be deployed

Allergy explosion: They are on the rise, and here’s why

Banning nuts on planes and in schools may seem like hysteria, but there's good reason: allergies are becoming more common. And you may not realise how you're affected

Buzz: A beautiful book shows why modern bees are hippy wasps at heart

A beautifully illustrated new book details the evolutionary path that created modern bees from their ancient wasp ancestors - and why the apians’ future is uncertain

Tools reveal Easter Island may not have had a societal collapse

Tools used to make Easter Island’s famous statues have yielded a clue that suggests the Rapa Nui inhabitants that made them all got along with each other

Don’t miss: Taxidermied rabbits, mucky biology and the digital future

See a taxidermied rabbit in a silver goblet at show about human-animal hybrids, read about biology's muckier side, and listen to tough talk about our digital future

Gluten-free dogs? Pets deserve better than this evidence-free fad

Animal owners are increasingly falling for potentially risky fad pet diets or homeopathic alternatives to vaccines, warn vets Danny Chambers and Zoe Belshaw

Fortnite is coming to Android, but players risk downloading malware

When blockbuster game Fortnite hits Android phones, gamers will be able to get it outside Google Play, which could leave them vulnerable to scams

Preserved ocean creatures make landfall in London

Dissected and preserved sea life specimens give visitors a thrilling, slightly shallow glimpse of a hidden world

Bots on Amazon’s Mechanical Turk are ruining psychology studies

Psychologists use Amazon’s Mechanical Turk platform to study our behaviour, but now bots are spoiling things by pretending to be human

This man spent months alone underground – and it warped his mind

Michel Siffre’s extraordinary self-experiments in a cave with no light would never be allowed now – but revealed strange truths about how we perceive time

The Meg: Real Megalodon shark would eat Jason Statham for breakfast

Jason Statham’s new film The Meg looks gloriously silly and good luck to it, but it got us thinking about what its giant prehistoric shark was really like and why it died out

New Zealand becomes the latest country to ban plastic bags

People in New Zealand currently use about 150 plastic bags each a year, but the country now plans to phase them out within the next six months

Feedback: What would happen if Earth was made of blueberries?

Thanks to science, we now have an answer. Plus: a stolen shark, mapping the Kessel Run, TripAdvisor reviews of migrating animals, and more

Allergy explosion: What causes allergies and how to avoid them

We've all heard that being too clean can cause allergies, or exposure can help you beat them. Most advice doesn't stand up, but there are things that do seem to work

We have measured the speed of death and it’s 2 millimetres an hour

Biologists have watched death spread across a living cell for the first time, and discovered that it travels in a steady wave in the same way that wildfires do

High-speed electrons prove Einstein was right about the speed of light

Albert Einstein predicted that the speed of light does not change just because you are moving – and now two experiments have shown just how right he was

Allergy explosion: The truth behind the most common myths

You can grow into and out of allergies your whole life; they come in groups; women are more allergy prone... Wild ideas about allergies abound, but which should you believe?

Alien grass is making California wildfires three times as frequent

Non-native grasses such as cheatgrass are easier to ignite and can spread fires far more quickly than the native ones

Uncrackable computer chips stop malicious bugs attacking your computer

Cyberattacks target not just our phones and laptops, but hospitals, schools and power stations. A new security solution redesigns chips from the inside out

Another supervolcano in California is not as dormant as we thought

The Long Valley Caldera in east California unleashed a supervolcano eruption 760,000 years ago. Today it is quiet but it may have a few smaller eruptions left in it

Tight underwear really is linked to lower sperm counts in men

Men who wear boxer shorts have higher sperm levels than men who wear tight underwear, although the difference shouldn't usually be enough to affect fertility

Inducing labour at 39 weeks leads to fewer emergency Caesareans

It has been thought that inducing labour leads to more C-sections, but a study of over 6,100 women suggests this isn’t the case when induced at 39 weeks

‘Hey’: short messages are the best dating site strategy, study says

An analysis of online dating has found most users hit on people who are 25 per cent more attractive than them, and that shorter messages have better reply rates

Police can now track killers using relatives’ DNA – but should they?

Genetic genealogy services are rapidly becoming a key source of forensic evidence, but do we really want the police to have access to everyone's DNA?

Ecstasy-like drugs might relieve social difficulties in autism

Mouse studies hint that social difficulties in autism might be caused by faulty serotonin signalling in the brain and can be helped with serotonin-boosting drugs

Don’t give up, we can survive even a Hothouse Earth

Bad news on the climate should lead neither to despair nor unfounded optimism. Instead, we need to roll up our sleeves and prepare for life on a drastically changing planet

The underwater drones that hunt for oil spills beneath the waves

Oil behaves strangely in water – now a combination of AI and super-expensive underwater vehicles are being used to track it. Joshua Howgego went along for the ride

US Navy wants to fire a slime cannon at boats to stop them escaping

The US Navy wants to make super-expanding weaponised slime, inspired by the hagfish,  that can trap boats in the water

California’s worst wildfire in history is now the size of Los Angeles

Firefighters are battling high winds and extreme heat as they try to slow the spread of the biggest wildfire ever recorded in California

Neutron stars bend light so much we see their front and back at once

Ultra-compact neutron stars are so dense that the light bends around from the far side, making it possible to see all sides of them simultaneously

Sound waves are a form of antigravity because they have negative mass

As sound waves travel, they float upwards away from the pull of gravity. That’s because they have negative mass, so they’re repelled by massive objects

Future heatwaves will knock nuclear, gas and coal power plants offline

Power plants are shutting down in the northern hemisphere due to a lack of cool water, and the problem will only get worst in a warming and drier world

New Scientist Live: dogs and people, a 40,000-year love story

In London this September, Juliane Kaminski will be arguing that dogs have spent so long living alongside humans that they have evolved to think just like us

Extreme weather finally brings home the reality of climate change

Climate scientists have shied away from attributing heatwaves and floods to global warming – but now there can be no more denying the facts

Meet Bob the tame flamingo who has become a local superstar

Bob became a celebrity on the Caribbean island of Curaçao after injuring himself by flying into a window of the island's Hilton Hotel

Global warming may become unstoppable even if we stick to Paris target

There could be a planetary threshold beyond which the earth will keep warming even if we stop pumping out more fossil fuels - the so-called 'Hothouse Earth' scenario

Women more likely to survive heart attacks if treated by female doctor

An analysis of more than 580,000 heart attacks found that women are slightly less likely to die from a heart attack if they are seen by a female doctor

More than 90 people killed in massive earthquake on island of Lombok

Rescuers still have not reached some devastated parts of the Indonesian tourist island of Lombok after a powerful earthquake flattened houses and toppled bridges

Radio jammers saved Venezuela’s president from deadly drone attack

Radio jamming systems apparently thwarted an attempted presidential assassination with improvised drone bombs in Venezuela

The truth about the suspected link between social media and self-harm

Is social media really to blame for rises in self-harming? The evidence isn’t clear, but some social media use may even be good for teenagers, says Tom Chivers

Explosive facelift left star looking much younger than its true age

A faraway star surrounded by a strange cloud of dust and gas had an explosive rebirth, spitting out debris and dimming by a factor of 10,000 in less than 50 years

A weird Pacific cycle could make the Arctic warm up even faster

The Pacific Decadal Oscillation (PDO) is cyclical, switching from warm to cold phases every 20 years or so. When it switches again it could speed up Arctic warming

Did we really evolve domestic violence? We don’t know yet

A study suggests men in some societies who are violent to their partners may have more children – but that doesn’t mean that evolution favours domestic violence

Deaths caused by the opioid fentanyl are rising in the UK

Drug data reveals that deaths from fentanyl, carfentanyl and cocaine are on the rise in England and Wales, but heroin and morphine deaths have declined slightly

It may be impossible to evolve a large brain if you hibernate

Mammals that hibernate have smaller brains than those that don’t, suggesting that hibernation limits brain size by reducing annual food intake

The medical cannabis debate is a chance to put science before dogma

Neither extreme prohibition nor extreme liberalism is a sensible drugs policy – on medical cannabis and elsewhere, let’s see what the facts say