YouTubers the Slo Mo Guys visited Taser International in Scotsdale, Arizona, to film a Taser being fired at a volunteer at a rate of 28,500 frames per second (pictured). The video shows the Taser's two probes puncturing the skin and his muscles involuntarily rippling as the device stimulates his sensory and motor nerves, causing him to howl in pain and shock.
Dutch scientists create £20m tsunami generator to boost low-lying country's defences.
Dutch scientists create £20m tsunami generator to boost low-lying country's defences.
Is a comet about to destroy Earth? Best-selling author GRAHAM HANCOCK argues that a cosmic explosion will soon strike Earth - triggering epic floods
How the internet broke the story of 9/11: Readers caught up on bare websites with no Facebook or Twitter while TV was virtually the only source of video
In 2001 broadband was still in its infancy, while social networking and smartphones did not exist, meaning news of the 9/11 attacks broke online in a very different way to how it does today. Sites were bare, with lots of white space, and set out in very narrow columns with small, low-quality pictures to minimize the time it would take them to load. Video was basic, took a long time to buffer, and often froze or skipped while playing. While news stories play out in real time online today, allowing people to keep in touch via phone, tablet, or computer, in 2001 it meant gathering around a TV or radio.
Is this the first human? Extraordinary find in a South African cave suggests man may be up to 2.8million years old
Named Homo naledi, the species has been assigned to the genus Homo, to which modern humans also belong. The bones (pictured top right) were located in the Rising Star cave system in South Africa's Gauteng province, in a remote chamber that can only be accessed via several steep climbs and fissures. The age of the the skeletons are also yet to be determined. It is not yet clear how more than a dozen H. naledi skeletons - ranging from babies to elderly individuals - ended up in a remote region of a large cave. The researchers have not ruled out the possibility of the bodies having been disposed of in the cave deliberately, or a catastrophic 'death trap' scenario in which the humans entered the cave and all died of an unknown cause.
- World’s biggest man-made wave is created by Dutch scientists hoping to help save the low-lying country from devastating floods
- Pluto's secrets revealed: New Horizons sends back incredible new high resolution images that reveal 'bewildering array' of features from ice flows and valleys to dunes
- Would YOU take orders from a robot? Hitachi hires machine manager for its warehouse workers
- The cheese emoji is on its way! Developers get a sneak peek at the new symbols coming to iOS 9.1 including a taco, robot and a unicorn
- Watch the raw power of a TASER in slow motion: Video reveals rippling skin as volunteer spasms and howls in pain
- Defendant in 1310 English court case given nickname 'Roger Fuckebythenavele' in what historians say is first recorded use of the insult
- El Niño gets upgraded: Forecasters say there is a 95% chance of 'strong' weather system - but warn it WON'T relieve California's drought
- Will Apple's new Live Photos gobble up your phone's memory? New iPhone 6s feature will DOUBLE the size of snaps
- Siri will soon recognise its owner's voice: Apple's 'always on' tech will be able to spot who is talking
- Is a comet about to destroy Earth? Best-selling author GRAHAM HANCOCK argues that a cosmic explosion will soon strike Earth – triggering epic floods
- Mont Blanc feels the cold: Mountain shrinks two metres in two years as temperature changes cause summit to drop
- What the internet looked like on 9/11: How readers followed drama on bare websites - with no Facebook or Twitter - and almost the only video was on TV
- How just one drink affects your driving: Small amount of alcohol means you have to concentrate TWICE as hard
- How much do YOU know about science? Take the interactive test that researchers used to find the average American only gets a C grade
- Do aliens think humans are SEXIST? Experts debate whether pictures sent into space on Pioneer 10 spacecraft make women look 'submissive'
- Smartwatch hack lets criminals know what you're TYPING: Motion sensors can remotely reveal which keys you're pressing
- 'Lightning claw' dinosaur found in Australia: 23-ft long predator is largest carnivore found in the region
- How much do YOU know about science? Take the interactive test that researchers used to find the average American only gets a C grade
- World’s biggest man-made wave is created by Dutch scientists hoping to help save the low-lying country from devastating floods
- El Niño gets upgraded: Forecasters say there is a 95% chance of 'strong' weather system - but warn it WON'T relieve California's drought
- Defendant in 1310 English court case given nickname 'Roger Fuckebythenavele' in what historians say is first recorded use of the insult
- Pluto's secrets revealed: New Horizons sends back incredible new high resolution images that reveal 'bewildering array' of features from ice flows and valleys to dunes
- Why women love a man who smiles... but those who have a neutral expression are far more trustworthy
- Cat lovers rejoice! New Sphynxiebob and Bambob breeds are revealed to the world
- Will Apple's new Live Photos gobble up your phone's memory? New iPhone 6s feature will DOUBLE the size of snaps
- Watch the raw power of a TASER in slow motion: Video reveals rippling skin as volunteer spasms and howls in pain
- Watch a SOLAR 'TORNADO' swirl across the surface of the sun: 5 million °F mass of plasma spun for 40 hours
- Siri will soon recognise its owner's voice: Apple's 'always on' tech will be able to spot who is talking
- Volunteers who stayed in bed for a week and ate 6,000 calories of pizza and burgers every day in the name of science developed medical issues in just TWO DAYS
- Could BOMBING Mars make it habitable? Nuclear warheads would heat the red planet to make it more Earth-like, claims Elon Musk
- The rich don't mingle: Wealthy jetsetters are in a 'social bubble' and mix less with foreigners
- How just one drink affects your driving: Small amount of alcohol means you have to concentrate TWICE as hard
- Mystery of Basque origins solved: Spanish minority's DNA hints they descended from early Stone Age farmers
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Pluto's secrets revealed: New Horizons sends back incredible new high resolution images that reveal 'bewildering array' of features from ice flows and valleys to dunes
'If an artist had painted this Pluto before our flyby, I probably would have called it over the top,' but that's what is actually there,' said New Horizons Principal Investigator Alan Stern on seeing the new images. Main image: synthetic perspective view of Pluto, based on the latest high-resolution images from Nasa's New Horizons spacecraft, shows what you would see if you were approximately 1,100 miles (1,800 kilometers) above Pluto's equatorial area, looking northeast over the dark, cratered, informally named Cthulhu Regio toward the bright, smooth, expanse of icy plains informally called Sputnik Planum. The entire expanse of terrain seen in this image is 1,100 miles (1,800 kilometers) across. Insets show the rockey craters seen on the planet.
Watch a SOLAR 'TORNADO' swirl across the surface of the sun: 5 million °F mass of plasma spun for 40 hours
The 'tornado's' rampage lasted 40 hours between September 1 and 3, according to Nasa's Solar Dynamics Observatory (pictured inset), a probe that was built at Goddard Space Flight Centre in Greenbelt, Maryland. The 'tornado' (shown right) is described as 'a small, but complex mass of plasma' that gyrated and spun. Unlike those on Earth, which leave a trail of destruction, the solar 'tornado' was simply assimilated back into the sun.
Siberian 'spa' for woolly mammoths hints at beast's demise: Creatures desperately sought minerals from mud baths as the climate abruptly changed
Paleontologist Sergey Leshchinsky (pictured top right) is convinced that osteoporosis was a key cause of the demise of the woolly mammoth (illustrated bottom right), after finding thousands of ancient bones at many sites riddled by the disease (pictured left). By massing at a 'salt lick' near the modern-day village of Novodubrovsky village in Novosibirsk region, the giant mammals were seeking to restore their ailing health.
Could BOMBING Mars make it habitable? Nuclear warheads would heat the red planet to make it more Earth-like, claims Elon Musk
Elon Musk (pictured top right), CEO of SpaceX, California, hypothesised Mars (bottom right) could be heated up quickly by dropping nuclear weapons (illustrated with a stock image, left) over its poles and said he would like to visit the red planet one day. He described it as 'a fixer upper of a planet' that could be made by Earth-like if it were warmer.
Bizarre burial of the 'witch' of Tiree: 6,000-year-old deformed skeleton in unusual grave is the earliest case of rickets found in UK
The bones (skeleton pictured left), found in the village of Balevullin on the island of Tiree in the Inner Hebrides, were analysed by Professor Ian Armit and his teams at the University of Bradford and University of Durham. Isotopic analysis showed she was local to the area, but she didn't eat sea fish. This seaside location and supply of fish should have provided her with enough vitamin D to avoid rickets. The skeleton's arm bones are pictured right, and her deformed breastbone is pictured inset. Therefore, experts believe she was kept indoors, or wore clothing that prevented adequate absorption of sunlight.
Apple goes super-size! Tech giant reveals iPhone 6s and 6s Plus with new 3D touch screen, 'monster' 12.9inch iPad Pro and TV box with apps and games
- Apple TV now doubles up as a GAMES CONSOLE: Touch remote can be used to play multiplayer apps on the big screen
- Steve Jobs would NOT approve: Apple unveils 'monster' iPad Pro with a $100 'pencil' the late co-founder famously said nobody wants
Apple has launched its iPhone 6s and 6s Plus alongside a giant 12.9inch iPad called the iPad Pro and an upgraded Apple TV that can run apps at a 'special event' in San Francisco. The new phones have a '3D touch' screen which can recognise how hard users are pressing, and a new improved chip and camera with a new 'selfie mode' that uses the screen as flash.
A lost world... found! Spectacular images reveal breathtaking beauty and enormous size of a newly discovered cave in Vietnam
The cave is located near Vietnam's Phong Nha Ke Bang National Park and is believed to be an extension of a previously discovered cave called Hang Tien. The jaw-dropping pictures were snapped by adventure photographer Ryan Deboodt, 32, on August 31, after the cave was discovered for the first time by locals just one month ago.
The cheese emoji is on its way! Developers get a sneak peek at the new symbols coming to iOS 9.1 including a taco, robot and a unicorn
The Unicode Consortium in California released the new emoji in June and Apple has now incorporated a number of these symbols into iOS 9.1. Developers with access to the files have released images of the new lineup and other additions include a burrito, chili pepper, new faces, a spider, crab, scorpion, and squirrel as well as a robot, unicorn, lion and turkey (pictured). Apple's iOS 9 launches next week and iOS 9.1 could be released by end of the year.
A stellar lineup! Astronaut captures incredible images of Earth, moon AND Venus from onboard the ISS
The shots were taken by astronaut Scott Kelly on board the International Space Station. The first image (pictured) was taken at 4.42pm yesterday and the second was taken 12 hours later - both were posted to Twitter. In each image the curvature of Earth, part of the ISS, the moon and Venus are clearly visible. Mr Kelly's second image was taken as the ISS orbited over Texas.
Human head transplant edges closer to reality: Chinese surgeon teams up with Italian doctor to perform procedure in 2017
Controversial specialist Sergio Canavero from Italy will partner with Chinese surgeon Ren Xiaoping to carry out the operation on Valery Spiridonov (pictured left) a 30-year-old computer scientist in Russia who has muscular atrophy. Spiridonov has previously told MailOnline he is ready to put his trust in the experts who claim they can cut off his head and attach it to a healthy body. Dr Ren has performed 1,000 head transplants on mice (pictured bottom right) and he and Dr Canavero have both been described as Frankenstein (a film still showing the monster composed of body parts is shown top right).
'Alien nuclear wars could be seen from Earth': Signals from chemical weapons on other planets would be visible, claim physicists
Researchers led by Adam Stevens at The Open University at Milton Keynes discussed the various ways in which the civilisations could end including nuclear wars (illustrated right), bioterrorism (stock illustration bottom left), the so-called 'grey goo' scenario and planetary pollution. For each scenario, they detailed the types of signals, such as gamma ray bursts (top left) that each would emit into the atmosphere and the likelihood of these signals being picked up with technology on Earth. They believe that this approach may present the best chance of finding any evidence of intelligent life beyond Earth.
VIDEO GAME REVIEWS
All around the world... and beyond
British photographers Fiona Rogers and Anup Shah captured apes in Indonesia and Borneo - and highlighted how human our evolutionary cousins are.