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Dinosaurs - New Scientist

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Cute cats the size of kittens are seeing their homes destroyed

Güiñas are the smallest cats in the Americas, smaller than most domestic cats, and they are becoming increasingly rare

So long, suckers: Where have all the black holes gone?

The universe is well-stocked with black holes large and small, but none in medium. Strange dwarf galaxies might hold the answer

Trump, this ‘shithole’ continent pioneered heart swaps and more

Seeking to understand other people is better than dismissing them with insults. Trump needs lessons in African history, culture and science, says Curtis Abraham

Breathing in a nanoparticle spray could prevent heart damage

An inhalable drug is designed to move straight from the lungs to the heart, where it is hoped it will prevent the organ from deteriorating after heart attacks

How ‘stem cell’ clinics became a Wild West for dodgy treatments

Hundreds of clinics offering unregulated stem cell therapies have sprung up across the US and Australia thanks to lax oversight

Algorithms that change lives should be trialled like new drugs

An algorithm used by US courts to predict reoffenders turns out to be no more accurate than random people on the internet. Why wasn’t it properly tested before now?

Blindness treatment will insert algae gene into people’s eyes

Optogenetic techniques that use light to control nerve cells are being tried in people at last – and could lead to treatments for several types of blindness

Swollen eye is setback for blindness treatment using stem cells

A man in a flagship stem cell trial for age-related macular degeneration has swelling in his eye, but the cause is probably surgery – not stem cells

Bitcoin’s utopia has failed as big players hold all the power

Cryptocurrencies are built on the idea that no one institution holds the power. But for bitcoin and ethereum, that’s no longer true

DNA of man who died in 1827 recreated from his living relatives

The DNA of Hans Jonaton, an ex-slave who fled to Iceland in 1802, has been reconstructed using only the genes of his descendants

No sweat: Should my muscles be hurting days after a workout?

Tiny tears in your muscles cause the aching that sets in a day or so after a heavy exercise session. But what sounds bad can help them to rebuild stronger

Chit-chat makes humans and robots work together better

Introducing some chatter between humans and artificial intelligence improved the amount of collaboration – and results – across hundreds of games

Source of world’s biggest listeria outbreak still unknown

There have been almost 750 cases of listeriosis in South Africa so far, and the source of the food poisoning infection remains unknown

End of days: Is Western civilisation on the brink of collapse?

History tells us all cultures have their sell-by date. Do political strife, crippling inequality and climate change mean the West’s time is now up

All other primates live their lives according to a simple rule

Hundreds of species of primate all form groups of the same five sizes, suggesting that the ecosystems in which they live strongly shape their lifestyles

Bowel cancer test may be a much better way to screen for polyps

A new blood test seems to be more than twice as good at detecting bowel cancer than the method currently used to screen for polyps and early bowel cancer

Johann Hari doesn’t know depression’s real causes – no one does

Taking a view on unsettled science is always likely to cause controversy, but the fiery debate Johann Hari's new book has sparked is worth having, says Samantha Murphy

No sweat: Is yoga a proper workout?

For some it’s spiritualist mumbo-jumbo. But while other disciplines will get you fitter faster, the psychological upsides of yoga are hard to deny

You may be making cryptocurrency for hackers without realising

Thousands of websites are tricking people into mining cryptocurrencies like bitcoin, adblockers might be the only way to stop them

Tiny individual decisions really could help avert climate chaos

A new computer model has shown individual decisions can massively influence how bad global warming might get. Time to take the human factor seriously, says Adam Corner

Unearthed: Why we’ve got monuments like Stonehenge all wrong

From Stone Age circles to Easter Island’s statues, majestic prehistoric monuments may be far less to do with gods, kings or the heavens than we thought

A capsized oil tanker is releasing invisible toxins into the sea

The slick of oil condensate from a stricken tanker in the East China Sea is a threat to all marine life, not least because it is invisible

No sweat: Does high-intensity interval training work?

Get fit in 4-minute bursts – that’s what high-intensity exercise enthusiasts preach. A false vision – or a legitimate shortcut to a healthier you?

Copycat justice has turned US counties into execution hotspots

Criminals assigned the death penalty are five times more likely to be executed in some US counties than in others – a trend that some argue is unconstitutional

Spectacular light pillars rise up in frozen North America

The same cold weather that has caused frozen sharks to wash up on the US East Coast has given us a light show more often seen in polar regions

Mount Etna may not really be a ‘proper’ volcano at all

Italy’s famous volcano Mount Etna may be fed mostly by hot water and carbon dioxide, with only a small dose of molten rock to make it resemble a classic volcano

The doctor who took on big pharma to stem the US opioid epidemic

When Andrew Kolodny raised the alarm over the dangerously addictive properties of prescribed opioids, he became both a hero and a figure of hate

Life Time: Bio-art comes of age at a gem of a show

From sound pollution in the North Sea to the destruction of the North Dakotan landscape by big engineering, a Dutch art show gives us a glimpse at time

No sweat: Does listening to music make exercise easier?

Many gym bunnies live with headphones in their ears, and music can improve strength, power and endurance. Just be careful what tunes you choose

Clever maths will stop hackers spying on the quantum internet

Quantum communications are theoretically secure, but keeping a complex quantum network unhackable in practice is more difficult than expected

No sweat: When, how and how much should I exercise?

Moderate or vigorous? Long or short? Every day, or binging at the weekend? There are a lot of ways to burn calories – but some make more sense than others

No sweat: Does carb loading improve performance?

Many endurance athletes swear by piling on the carbohydrates before a race. That can work – but you should be wary of the downsides

Science helped cause the opioid crisis – now it must make amends

A US commission recommending how to solve the painkiller addiction killing 175 Americans a day also shows how opinion got in the way of fact to help cause the problem

Sniff the apocalypse: An art show with perfume for the end times

An exhibition unites art from the world’s unprotected webcams, hair forever trapped in moving cogs, and a perfume for the end of the world

Trophy: Is hunting really the only way to save big game?

A film on white hunters and landowners offers a strong conservation case for killing Africa's big beasts, but it sidelines local black people who may disagree

Surfers may be swallowing bacteria and spreading it to others

Surfers seem to swallow more antibiotic resistant bacteria from polluted water than swimmers. They may also be spreading it to vulnerable people they know

Voice assistants dominate CES as Google plays catchup with Alexa

Google had more than 350 voice-controlled devices at the Consumer Electronics Show, including speakers, cars, and a giant toy town complete with a railway

No sweat: Can I tailor my exercise to burn more fat?

Exercise slowly, or on an empty stomach: myths abound at how best to de-flab. Sadly if you’re looking for a quick win most of them are just that – myths

We may be able to see mountains and valleys on distant worlds

If alien planets have canyons and mountains like ours, we may be able to catch a glimpse of them in an exoplanet’s shadow as it passes in front of its star

No sweat: Are sports drinks worth the money?

Dehydration is bad, and electrolytes are important. Sports drinks replace essential ions lost through sweat – but is that all just marketing hype?

The universe still seems to be expanding faster than it ought to

The universe is expanding but our measurements of the rate are all over the place and they just got worse, so we can’t tell when the cosmos is going to die

Even a small cut in global warming will help slow sea level rise

Limiting climate change to 1.5 °C instead of 2 °C, even if we overshoot at first and then bring temperatures back down, will ease the rise in sea levels

A swarm of home-made drones has bombed a Russian airbase

Thirteen home-made drones carrying bombs descended on Russian forces in Syria in the first confirmed swarm attack

No sweat: Does stretching before and after a workout help?

Stretches are a ritual for many would-be athletes – but some moves could be a waste of time, and others could hamper performance

Deadly heat: How to survive the world’s new temperature extremes

Australia’s latest sizzling summer presages a global future – but we’re beginning to understand heat’s impacts on the human body, and how to combat them

Study proves that humblebragging really is the worst

It’s time for the #humblebrag to die. Experiments show that everybody hates thinly-veiled boasts, but nearly 45 per cent of people witness one a day

Feedback: California’s craze for untreated water goes viral

Plus: Science minister Jo Johnson demands more open debate in universities - though MPs seem to be less keen on free speech closer to home

Mars has ice sheets 130 metres thick hiding below its red dust

Eight newfound Martian cliffs made up of layers of ice could tell us how the Red Planet's climate has changed in the past several million years

UK’s plastic bag ban is a pitiful attempt at a greener future

Talk of cutting plastic pollution has grabbed the headlines, but the UK’s long-awaited 25-year plan for the environment consists almost entirely of vague aspirations and vacuous promises

Hidden exoplanets could be revealed by echoing light

Reflected light from a star’s flares may help us find otherwise invisible worlds. These exoplanets could be hit by powerful blasts, but may still host life

We must accept more risks if we want space travel to take off

Going to space is already one of the most dangerous things a person can do, but we will need to take far more risks than we do in order to push space exploration forward

Mystery dark matter may be ordinary neutrons that have decayed

Dark matter makes up a lot of the universe, but we still don’t know what it is. Could it be neutrons decaying into strange particles that shun normal matter?

No sweat: Is exercising inside or outside better for you?

Running on the gym treadmill is tempting, especially in the cold, dark winter. But if you do, be prepared to go the extra mile

The smart humanoid robot that will help in grocery warehouses

Grocery company Ocado has unveiled a prototype humanoid robot called ARMAR-6 that will help maintenance staff keep the warehouses running smoothly

A single gene can either raise or lower Crohn’s disease risk

Comparing the DNA of 5700 Jewish people has identified a gene with two variants – one that lowers a person’s risk of Crohn’s disease, and one that raises it

Robotic implant could help children with rare disorder eat again

The device lengthens the oesophagus so its two ends can be stitched back together, improving life for children with a birth defect called oesophageal atresia

Mystery radio bursts may be from neutron star near a black hole

The source of repeating fast radio bursts is one of astronomy’s biggest mysteries. They may come from a fast-spinning neutron star next to a huge black hole

If the sea floor is sinking, are we safe from sea level rise?

The first study to calculate how much the ocean floor is sinking due to the extra weight of meltwater going into the sea has been widely misrepresented

Hormone replacement therapy may prevent depression in menopause

A study of 172 women suggests that HRT treatment is more effective than a placebo at preventing symptoms of depression from emerging during early menopause

Latest measurement of a proton’s mass has got physicists puzzled

Knowing the mass of the proton is key to understanding matter, but nobody can agree on it. The latest, most precise measurement further muddies the waters

Storm waves can move boulders heavier than the Statue of Liberty

Extreme storm waves at sea have shifted a boulder weighing 620 tonnes, explaining why huge rocks are sometimes mysteriously found on high cliffs

Smell of death tells undertaker bees it’s time to remove corpses

Undertaker honeybees get rid of the bodies of dead nestmates, but only those with a good sense of smell are able to do it

No sweat: How can marathon runners avoid hitting ‘the wall’?

“Bonking” or “hitting the wall” is the biggest nightmare of many long-distance runners. Understanding why it happens can help you prevent it

When people sleep more they also eat less sugar and carbs

When people are given advice on how to get more sleep, not only do they get more slumber than they used to, they also start eating more healthily

Arsonist falcons suggest birds discovered fire before humans did

Multiple eyewitness accounts describe Australian birds of prey deliberately setting wildfires by carrying burning sticks, in order to flush out prey

People with diabetes seem to be protected against migraine

Doctors' hunches that people with diabetes get fewer migraines have finally been backed up by good evidence and it could help us treat migraines

Ban on plastic microbeads comes into force in the UK

A UK-wide ban on the manufacture of products containing tiny pieces of plastic has come into force - but the ban on selling such products won't come in until July

Aussie flu: Just what the doctor ordered?

A really bad but not pandemic flu season could be the wake-up call the world needs

Survey reveals extreme gender bias plagues STEM – it must change

A new snapshot of women working in science and technology in the US shows deep levels of discrimination against them. It must spark action, says Lara Williams

Extreme weather in US and Australia may be due to climate change

The eastern US has shivered through freezing temperatures while Australia has sweltered in a colossal heatwave, and both events may be linked to climate change

Invasive toxic pufferfish causes havoc in European waters

A pufferfish that carries the lethal poison tetrodotoxin has entered Europe's seas, and local species are increasingly becoming poisonous as well

AI listens in on emergency calls to diagnose cardiac arrest

Identifying cardiac arrest over the phone is a tricky task, in Denmark eaves-dropping artificial intelligence is lending a helping hand

Cosmic couture: The urgent quest to redesign the spacesuit

Astronauts venture into space wearing 35-year-old, sweat-stained relics. The $200 million, high-tech replacement togs are anything but down to Earth

How to protect yourself from the Meltdown and Spectre bugs

After initial rumours of an Intel bug, a massive security flaw has been revealed in most computer processors leaving personal data and passwords vulnerable

With political will, we can solve the global vision crisis

Impaired sight costs the world trillions every year, but leaders with vision could deal with this under-reported and unnecessary problem

Otherworldly ‘earth pyramids’ make the Alps look alien

You don't need a space ship to see alien landscapes up close. Just take a hike to these Piramidi di terra in the South Tyrol of northern Italy

Sex tweets help track spread of sexually transmitted infections

Twitter provided a more sensitive warning signal for syphilis rates in US counties than the previous year’s disease levels

Stopping the spread: What you can do to prevent flu

We will all be exposed to flu this winter, but not all of us will get sick. The best way to minimise the risk is clear – although it’s a far from perfect solution

How to master your habits and take control of your life

Habits rule our daily lives, but understanding how they become ingrained in the brain could help you nail the habits you want to keep and drop the ones you don't

Luck of the devil: How a Tasmanian icon is outwitting cancer

A freakish infectious cancer has brought Tasmanian devils to the brink of extinction, but the pugnacious marsupial is evolving rapidly as it fights for survival

The ugly, fractured reality of the cosmos deserves our attention

A puzzling clash between perfection and imperfection in our universe is getting fresh attention. This great cosmological mystery merits it, says Geraint Lewis

The epidemic on the way: Why winter flu is so bad this year

Flu is an underestimated killer, taking more than a million lives around the globe annually. This time, the mutated virus seems to be hitting even harder

Eye phone: The doctor using tech to restore the world’s sight

A lack of eyecare blights millions of lives across the globe. Andrew Bastawrous was seriously visually impaired himself – and has a plan to let the blind see

Freeze-dried valves used in animal heart surgery for first time

Pieces of heart tissue can be freeze-dried, stored in plastic bags at room temperature, and later rehydrated for successful heart surgery in sheep

Fight continues over whether sex addiction is a real thing

Guidelines from the World Health Organization are being drawn up that may recognise sexual compulsivity as a mental disorder

We should teach kids how to use social media, not scare them off

A report into the social media habits of under 12s seems worrying, but children are unlikely to switch off, so they should learn how to safely navigate the online world

Tackle UK’s killer toxic air before waging war on ocean plastic

If only environment secretary Michael Gove's enthusiasm to curb plastic pollution extended to more pressing environmental issues, says Olive Heffernan

How besieged ants decide when it’s time to abandon their nests

Colonies of turtle ants are often attacked by competing species, and the ants understand enough military strategy to decide when certain nests should be abandoned

Baby skeleton from Alaska reveals origins of Native Americans

DNA from an infant girl who died 11,500 years ago reveals where America’s first human settlers came from and when they arrived

Your computer may run 30 per cent slower due to Intel chip bug

The details of a massive issue with Intel chips built over the last decade are slowly being revealed in what could be the biggest security flaw of the century

A daily blast of sound and electrical pulses may tame tinnitus

A new technique to tackle the phantom noises of tinnitus brought total relief for some patients and eased symptoms in half those who tried it

Feedback: Look to the stars for your bitcoin horoscope

What better way to predict the fortunes of your cryptocurrency? Plus: children think that birthdays cause ageing, a pyramid scheme for e-waste, and more...

In 2018, science needs its own version of the #MeToo campaign

For science to attract the women it still badly needs and contribute to thinking through today’s tough issues, it must first call out the sexism at its heart

‘Thrill-seeking’ genes could help birds escape climate change

Some birds may escape extinction if their genes favour exploring newer, more hospitable habitats

The universe could be full of more huge stars than we thought

Part of the Large Magellanic Cloud has 32 per cent more giant stars than we expected. That could mean the universe has more supernovae and black holes, too

Opioids that hit different brain target could be less addictive

Researchers have determined how morphine derivatives bind to the kappa opioid receptor, which should enable safer painkillers to be developed

Iconic tree from Twin Peaks threatened by climate change

The Douglas fir is one of the most ecologically and economically vital species in the Pacific Northwest, but global warming may pose a serious threat to it

Waiting for the big one: A new flu pandemic is a matter of time

At least two flu strains are only a few mutations away from developing deadly human-to-human transmission. So how do we minimise the impact?

SpaceX Falcon Heavy rocket test is the start of a race to Mars

The imminent first flight of Elon Musk's giant new rocket could mark a spectacular start to a new era in space flight, says Paul Marks

Largest prime number ever found has over 23 million digits

Two multiplied by itself nearly eighty million times minus one is the biggest prime number ever discovered by the Great Internet Mersenne Prime Search